over 110,000 five-star reviews!

0

unique formulas

cruelty-free + 100% vegan

At Function of Beauty, we believe in creating responsible beauty products that are not only effective, but safe too. That’s why every product is individually formulated using clean, science-backed ingredients that have been meticulously sourced and tested to ensure their safety, quality, and efficacy.

We currently use over 60 natural ingredients across our custom formulations and guarantee that all of our products are free of sulfates, parabens, and phthalates, among many other potentially harmful ingredients (see our full list of banned ingredients). For more info on some of the key ingredients in our hair, skin, and body goals, see below!

create my hair formula

clean, science-backed ingredients

Cruelty-free badge
Vegan badge
Sulfate & Paraben free badge
Sustainability focused badge
Made in USA badge
01
deep condition
learn more

shea butter

Acts as a sealant to help lock in moisture and increase softness.
+

avocado oil

Rich in vitamins A, D, and E, avocado oil works to condition the hair, leaving it feeling soft and smooth.
02
fix split ends
learn more

black oat seed extract

Helps to improve the structure of the hair, making it easier to comb while also enhancing its shine.
+

beetroot extract

Moisturizes the hair, making it more elastic to help prevent future split ends from forming. It also provides color + heat protection.
03
hydrate
learn more

coconut oil

Provides immediate nourishment so the hair appears softer, silkier, and smoother, while also helping to lock in essential moisture.
+

aloe vera

Gives the hair an extra dose of moisture, leaving it smooth and shiny.
04
replenish hair
learn more

chestnut extract

Fatty acids and proteins help to repair hair that's been damaged by dyes, hot tools, and chemical treatments.
+

rice protein

Increases the hair's ability to bind moisture, while also providing it with added shine and luster.
05
strengthen
learn more

horsetail extract

Helps support the structural integrity of the hair while also helping to improve the hair’s sheen and texture.
+

Evening Primrose Oil

Supports healthy growth and provides nourishment to the hair.
06
anti-aging
learn more

Locust bean gum

Used as a binder with both emollient and film-forming properties that help protect your hair from external damage.
+

Baobab Seed extract

Provide a five-in-one anti-aging solution that helps to repair damage, increase hair strength, protect from UV damage, moisturize dry hair, and nourish strands.
07
color protection
learn more

Palm Fruit Extract

Protects the hair against oxidative damage, thus helping to promote the maintenance of the hair surface and cuticle.
+

Rice bran oil

Helps prevent dulling and fading while also promoting longer-lasting, more vibrant color.
08
lengthen
learn more

Pea Sprout Extract

Promotes healthy hair growth at the root and helps prolong the life cycle of your hair.
+

Blue-Green Algae Extract

Aids overall hair health by increasing scalp circulation and follicle stimulation for longer, stronger hair.
09
thermal protection
learn more

Grapeseed oil

Rich in essential fatty acids, grapeseed oil has a relatively high heat tolerance to help protect against heat damage.
+

Linseed extract

Helps seal in moisture and condition heat damaged hair, while also providing effective thermal protection.
10
volumize
learn more

Sweet almond extract

Forms a protective coating around the hair so that it is shinier, more voluminous, and is also easier to style.
+

Quinoa

Helps to repair damage to the hair shaft while its proteins coat, strengthen, and protect the hair from breakage and damage.
11
anti-frizz
learn more

Tamarind Extract

Works to restore the hair's moisture content while also softening and smoothing the hair's texture.
+

Moroccan Argan Oil

Promotes overall hair health by increasing the hair's moisture content, combating frizz, and protecting against damage.
12
curl definition
learn more

Chia seed

Help to form and maintain natural-looking curls in different hair types by creating a film with bioadhesive properties around the hair fibers.
+

linseed extract

Helps seal in moisture and condition heat damaged hair, while also providing effective thermal protection.
13
nourish roots
learn more

Blue-green algae

Aids overall hair health by increasing scalp circulation and follicle stimulation to help promote longer, stronger strands.
+

Coconut fruit extract

Helps keep your scalp and hair follicles nourished and healthy while also preventing your strands from breakage.
14
shine
learn more

Acai oil

Promotes intense glow, revitalization, and capillary hydration in the hair.
+

Amazonian babassu oil

Forms a protective layer around the strands to enhance shine while also revitalizing the hair to give it an overall healthy look without weighing it down.
15
soothe scalp
learn more

Aloe vera

Helps to reduce scalp irritation by soothing and moisturizing the scalp, while also stimulating the production of natural moisturizing oils.
+

Menthol

Creates a cooling effect by penetrating the skin and stimulating the nerve ends, helping to relieve itching, tightness, and dryness.
16
straighten
learn more

Sunflower seed oil

Penetrates the hair shaft to help lock in and retain moisture without weighing the hair down.
+

Passionfruit oil

Decreases frizz and naturally disciplines, relaxes, and styles unruly hair even in humid conditions.
17
oil control
learn more

Rosemary leaf extract

Helps stimulate scalp circulation, which can help optimize hair health and gives your hair a healthy shine.
+

Vitamin E

Supports a healthy scalp thanks to its natural antioxidant effects while also reducing the amount of oxidative stress and free radicals that cause the hair follicle to break down.
18
reduce brassiness
learn more

Yuzu Fruit Extract

Improves damaged hair by strengthening the strands from root-to-tip and providing extra smoothness.
+

Violet Pigments

Neutralize brassiness by counteracting against the underlying yellow/orange tones so blonde hair looks cool, bright, and vibrant.
01
nourish very dry skin
learn more

squalane

Prevents moisture loss and keeps skin feeling flexible, and adds a silky texture.
+

cupuacu butter

Adds long-lasting hydration, softens the skin and promotes overall skin health.
02
nourish
dry skin
learn more

apple extract

Naturally moisturizes and reduces stripping and drying of the skin.
+

squalane

Helps with skin flexibility and moisture retention, with a luxurious texture that never feels heavy.
03
sustain balanced skin
learn more

sugar beet extract

Creates rich foam and provides softness to the skin.
+

grapeseed oil

Conditions and provides deep moisture for smooth skin.
01
hydrate
learn more

Hyaluronic Acid

3 different HA molecular weights help penetrate different layers of skin. Helps with skin hydration, elasticity, and the appearance of wrinkles.
+

Blue Green Algae

From Klamath Lake in Oregon, our Blue-Green Algae is a very rich source of antioxidants. Ultra-nourishing and deeply moisturizing.
02
anti-aging
learn more

Argireline

Reduces the appearance of wrinkles on the face, especially on your forehead and around your eyes.
+

Tiger Grass

Promotes youthful-looking skin. Legend has it that tigers used to roll around in this medicinal herb to help soothe their skin.
03
brighten
learn more

Tangerine Extract

Helps smooth and clarify the outermost layer of skin (stratum corneum) so that a natural glow can radiate from within.
+

vitamin c

An antioxidant that helps brighten and illuminate skin. Ours is a stable, water-soluble form that absorbs quickly into the skin.
04
awaken
learn more

Magnesium aspartate, zinc gluconate, copper gluconate

A mineral blend that helps provide oxygen to skin cells and tissue, giving them a breath of fresh air for a revitalized appearance.
05
calm/soothe
learn more

Neem liquid

Effective in calming skin and helping to shield skin from external aggressors.
+

aloe extract

Containing antioxidants, enzymes, Vitamins A and C, this plant is well-known for its soothing benefits.
06
anti-pollution
learn more

Cherimoya Extract

All-natural adaptogenic that helps skin achieve a sustainable homeostatic balance.
+

Hydroxytyrosol

A component found in olives and olive oil, hydroxytyrosol may mitigate environmental damage and slow aging rate of the cells when applied to skin.
07
even tone
learn more

Kiwi extract

Shown to impede concentrated melanin accumulation, which is what causes dark spots.
+

Azelaic acid

A gentle acid that can help fade post-acne marks and other discolorations.
08
minimize redness
learn more

Bisabolol

Originating in Brazil, this versatile plant derived ingredient has been known to help shield from environmental stressors without causing irritation.
+

Southern Magnolia bark extract

This extract is specially designed to reduce external stress-induced skin redness (e.g. waxing).
09
reduce shine
learn more

Arnica Extract

This natural extract helps regulate sebum (skin’s natural oil) accumulation.
+

Enantia Chlorantha Bark Extract & Oleanolic Acid

This compound reduces skin sebum production, appearance of pore size, and helps refine skin texture.
10
minimize pores
learn more

Artichoke Extract

Improves appearance of noticeable pores and helps improve skin elasticity.
+

Pyridoxine Cyclic Phosphate

A new vitamin B6 derivative that improves overall skin health and appearance.
11
reduce breakouts
learn more

Niacinamide

(AKA Vitamin B3) This skin-restoring ingredient helps blemish-prone skin. Combined with salicylic acid, it can help improve appearance of acne scars.
+

Salicylic acid

Has the ability to penetrate pore lining and exfoliate the inside of the pore as well as skin surface, which makes it especially effective at reducing breakouts.
12
smooth
learn more

yuzu extract

This multi-tasking ingredient is a super moisturizer, keeping skin youthful and supple. It helps improve appearance of roughness and irritation.
13
tighten
learn more

Nannochloropsis Oculata Extract

Helps skin appear firm and revitalized. Clinical studies show tightening effective in 4 hours of use. Has anti-aging effects and reduces the appearance of wrinkles.
+

Pullulan

A polysaccharide that can quickly form a sheer film that helps improve skin’s texture and appearance.
customize now
01
deep condition

shea butter

Acts as a sealant to help lock in moisture and increase softness.
+

avocado oil

Rich in vitamins A, D, and E, avocado oil works to condition the hair, leaving it feeling soft and smooth.
02
fix split ends

Black Oat Seed Extract

Helps to improve the structure of the hair, making it easier to comb while also enhancing its shine.
+

Beetroot Extract

Moisturizes the hair, making it more elastic to help prevent future split ends from forming. It also provides color + heat protection.
03
hydrate

Coconut Oil

Provides immediate nourishment so the hair appears softer, silkier, and smoother, while also helping to lock in essential moisture.
+

Aloe Vera

Gives the hair an extra dose of moisture, leaving it smooth and shiny.
04
replenish hair

Chestnut Extract

Fatty acids and proteins help to repair hair that’s been damaged by dyes, hot tools, and chemical treatments.
+

Rice Protein

Increases the hair’s ability to bind moisture, while also providing it with added shine and luster.
05
strengthen

Horsetail Extract

Helps support the structural integrity of the hair while also helping to improve the hair’s sheen and texture.
+

Evening Primrose Oil

Supports healthy growth and provides nourishment to the hair.
06
anti-aging

Locust bean gum

Used as a binder with both emollient and film-forming properties that help protect your hair from external damage.
+

Baobab Seed extract

Provide a five-in-one anti-aging solution that helps to repair damage, increase hair strength, protect from UV damage, moisturize dry hair, and nourish strands.
07
color protection

Palm Fruit Extract

Protects the hair against oxidative damage, thus helping to promote the maintenance of the hair surface and cuticle.
+

Rice bran oil

Helps prevent dulling and fading while also promoting longer-lasting, more vibrant color.
08
lengthen

Pea Sprout Extract

Promotes healthy hair growth at the root and helps prolong the life cycle of your hair.
+

Blue-Green Algae Extract

Aids overall hair health by increasing scalp circulation and follicle stimulation for longer, stronger hair.
09
thermal protection

Grapeseed oil

Rich in essential fatty acids, grapeseed oil has a relatively high heat tolerance to help protect against heat damage.
+

Linseed extract

Helps seal in moisture and condition heat damaged hair, while also providing effective thermal protection.
10
volumize

Sweet almond extract

Forms a protective coating around the hair so that it is shinier, more voluminous, and is also easier to style.
+

Quinoa

Helps to repair damage to the hair shaft while its proteins coat, strengthen, and protect the hair from breakage and damage.
11
anti-frizz

Tamarind Extract

Works to restore the hair's moisture content while also softening and smoothing the hair's texture.
+

Moroccan Argan Oil

Promotes overall hair health by increasing the hair's moisture content, combating frizz, and protecting against damage.
12
curl definition

Chia seed

Help to form and maintain natural-looking curls in different hair types by creating a film with bioadhesive properties around the hair fibers.
+

linseed extract

Helps seal in moisture and condition heat damaged hair, while also providing effective thermal protection.
13
nourish roots

Blue-green algae

Aids overall hair health by increasing scalp circulation and follicle stimulation to help promote longer, stronger strands.
+

Coconut fruit extract

Helps keep your scalp and hair follicles nourished and healthy while also preventing your strands from breakage.
14
shine

Acai oil

Promotes intense glow, revitalization, and capillary hydration in the hair.
+

Amazonian babassu oil

Forms a protective layer around the strands to enhance shine while also revitalizing the hair to give it an overall healthy look without weighing it down.
15
soothe scalp

Aloe vera

Helps to reduce scalp irritation by soothing and moisturizing the scalp, while also stimulating the production of natural moisturizing oils.
+

Menthol

Creates a cooling effect by penetrating the skin and stimulating the nerve ends, helping to relieve itching, tightness, and dryness.
16
straighten

Sunflower seed oil

Penetrates the hair shaft to help lock in and retain moisture without weighing the hair down.
+

Passionfruit oil

Decreases frizz and naturally disciplines, relaxes, and styles unruly hair even in humid conditions.
17
oil control

Rosemary leaf extract

Helps stimulate scalp circulation, which can help optimize hair health and gives your hair a healthy shine.
+

Vitamin E

Supports a healthy scalp thanks to its natural antioxidant effects while also reducing the amount of oxidative stress and free radicals that cause the hair follicle to break down.
18
reduce brassiness

Yuzu Fruit Extract

Improves damaged hair by strengthening the strands from root-to-tip and providing extra smoothness.
+

Violet Pigments

Neutralize brassiness by counteracting against the underlying yellow/orange tones so blonde hair looks cool, bright, and vibrant.
01
nourish very dry skin

squalane

Prevents moisture loss and keeps skin feeling flexible, and adds a silky texture.
+

cupuacu butter

Adds long-lasting hydration, softens the skin and promotes overall skin health.
02
nourish dry skin

apple extract

Naturally moisturizes and reduces stripping and drying of the skin.
+

squalane

Helps with skin flexibility and moisture retention, with a luxurious texture that never feels heavy.
03
sustain balanced skin

sugar beet extract

Creates rich foam and provides softness to the skin.
+

grapeseed oil

Conditions and provides deep moisture for smooth skin.
01
hydrate

Hyaluronic Acid

3 different HA molecular weights help penetrate different layers of skin. Helps with skin hydration, elasticity, and the appearance of wrinkles.
+

Blue Green Algae

From Klamath Lake in Oregon, our Blue-Green Algae is a very rich source of antioxidants. Ultra-nourishing and deeply moisturizing.
02
anti-aging

Argireline

Reduces the appearance of wrinkles on the face, especially on your forehead and around your eyes.
+

Tiger Grass

Promotes youthful-looking skin. Legend has it that tigers used to roll around in this medicinal herb to help soothe their skin.
03
brighten

Tangerine Extract

Helps smooth and clarify the outermost layer of skin (stratum corneum) so that a natural glow can radiate from within.
+

vitamin c

An antioxidant that helps brighten and illuminate skin. Ours is a stable, water-soluble form that absorbs quickly into the skin.
04
awaken

Magnesium aspartate, zinc gluconate, copper gluconate

A mineral blend that helps provide oxygen to skin cells and tissue, giving them a breath of fresh air for a revitalized appearance.
05
calm/soothe

Neem liquid

Effective in calming skin and helping to shield skin from external aggressors.
+

aloe extract

Containing antioxidants, enzymes, Vitamins A and C, this plant is well-known for its soothing benefits.
06
anti-pollution

Cherimoya Extract

All-natural adaptogenic that helps skin achieve a sustainable homeostatic balance.
+

Hydroxytyrosol

A component found in olives and olive oil, hydroxytyrosol may mitigate environmental damage and slow aging rate of the cells when applied to skin.
07
even tone

Kiwi extract

Shown to impede concentrated melanin accumulation, which is what causes dark spots.
+

Azelaic acid

A gentle acid that can help fade post-acne marks and other discolorations.
08
minimize redness

Bisabolol

Originating in Brazil, this versatile plant derived ingredient has been known to help shield from environmental stressors without causing irritation.
+

Southern Magnolia bark extract

This extract is specially designed to reduce external stress-induced skin redness (e.g. waxing).
09
reduce shine

Arnica Extract

This natural extract helps regulate sebum (skin’s natural oil) accumulation.
+

Enantia Chlorantha Bark Extract & Oleanolic Acid

This compound reduces skin sebum production, appearance of pore size, and helps refine skin texture.
10
minimize pores

Artichoke Extract

Improves appearance of noticeable pores and helps improve skin elasticity.
+

Pyridoxine Cyclic Phosphate

A new vitamin B6 derivative that improves overall skin health and appearance.
11
reduce breakouts

Niacinamide

(AKA Vitamin B3) This skin-restoring ingredient helps blemish-prone skin. Combined with salicylic acid, it can help improve appearance of acne scars.
+

Salicylic acid

Has the ability to penetrate pore lining and exfoliate the inside of the pore as well as skin surface, which makes it especially effective at reducing breakouts.
12
smooth

Yuzu extract

This multi-tasking ingredient is a super moisturizer, keeping skin youthful and supple. It helps improve appearance of roughness and irritation.
13
tighten

Nannochloropsis Oculata Extract

Helps skin appear firm and revitalized. Clinical studies show tightening effective in 4 hours of use. Has anti-aging effects and reduces the appearance of wrinkles.
+

Pullulan

A polysaccharide that can quickly form a sheer film that helps improve skin’s texture and appearance.
deep condition fix split ends hydrate replenish hair strengthen anti-aging color protection lengthen thermal protection volumize anti-frizz curl definition nourish roots shine soothe scalp straighten oil control reduce brassiness
nourish very dry skin nourish dry skin sustain balanced skin
hydrate anti-aging brighten awaken calm/soothe anti-pollution even tone minimize redness reduce shine minimize pores reduce breakouts smooth tighten
customize now

the no list

This list is made up of more than 40 questionable or harmful chemicals that we never use as ingredients in our products.

a

  • Acrylic Acid
  • Aluminum
  • Animal products and animal-derived products

b

  • Benzalkonium Chloride
  • Boric Acid
  • Butylated Hydroxyanisole (BHA)
  • Butylated Hydroxytoluene (BHT)

c

  • Coal Tar

d

  • Diazolidinyl Urea
  • Diethanolamine (DEA)

f

  • Formaldehyde

a

  • Acrylic Acid
  • Aluminum
  • Animal products and animal-derived products

b

  • Benzalkonium Chloride
  • Boric Acid
  • Butylated Hydroxyanisole (BHA)
  • Butylated Hydroxytoluene (BHT)

c

  • Coal Tar

d

  • Diazolidinyl Urea
  • Diethanolamine (DEA)

f

  • Formaldehyde

g

  • Gluten

h

  • Hexachlorophene
  • Hydroquinone

i

  • Imidazolidinyl Urea

l

  • Lead

g

  • Gluten

h

  • Hexachlorophene
  • Hydroquinone

i

  • Imidazolidinyl Urea

l

  • Lead

m

  • Methanol
  • Methylchloroisothiazolinone (MCT)
  • Methylisothiazolinone (MIT)
  • Methyl methacrylate
  • Microbeads
  • Monoethanolamine (MEA)

n

  • Nanoparticles
  • Nonoxynol

m

  • Methanol
  • Methylchloroisothiazolinone (MCT)
  • Methylisothiazolinone (MIT)
  • Methyl methacrylate
  • Microbeads
  • Monoethanolamine (MEA)

n

  • Nanoparticles
  • Nonoxynol

o

  • Oxybenzone

p

  • Palm oil (pure)
  • Para-aminobenzoic acid (PABA)
  • Paraformaldehyde
  • Parabens
  • Paraffin (wax)
  • Petrolatum
  • Phenol
  • Phthalates
  • P-phenylenediamine
  • Propyl acetate

q

  • Quaternium-15

s

  • Sodium borate
  • Styrene
  • Sulfates

t

  • Talc
  • Titanium dioxide
  • Toluene
  • Triclosan
  • Triphenyl phosphate

o

  • Oxybenzone

p

  • Palm oil (pure)
  • Para-aminobenzoic acid (PABA)
  • Paraformaldehyde
  • Parabens
  • Paraffin (wax)
  • Petrolatum
  • Phenol
  • Phthalates
  • P-phenylenediamine
  • Propyl acetate

q

  • Quaternium-15

s

  • Sodium borate
  • Styrene
  • Sulfates

t

  • Talc
  • Titanium dioxide
  • Toluene
  • Triclosan
  • Triphenyl phosphate
take the hair quiz