Ingredients
Skincare ingredients with mechanisms, evidence, and where they appear in the literature.
31 ingredients total.
Most cited ingredients
NiacinamideNiacinamide is a vitamin B3 ingredient used in facial moisturizers, serums, and eye creams.
MatrixylMatrixyl is a cosmetic signaling peptide best known by its INCI name Palmitoyl Pentapeptide-4 (also written Pal-KTTKS).
Hyaluronic AcidHyaluronic Acid is a humectant ingredient used to help skin feel more hydrated and look smoother by binding water near the skin surface.
Salicylic AcidSalicylic Acid is a beta-hydroxy acid (BHA) used in skincare for the appearance of clogged pores and blackheads.
Vitamin CVitamin C is used in skincare for brightening, antioxidant support, and the look of more even tone.
Glycolic AcidGlycolic Acid is the smallest alpha-hydroxy acid, or AHA, used in cosmetic skincare to loosen dead surface-cell buildup so skin can look smoother and brighter.
Azelaic AcidAzelaic Acid is a skincare ingredient used for blemish-prone skin and uneven-looking tone.
CeramidesCeramides are lipid ingredients used in moisturizers to support the feel of the skin barrier and help dry-looking skin look smoother and less flaky.
All ingredients
Browse every published ingredients alphabetically.
AdapaleneAdapalene is a topical retinoid ingredient available over the counter in the United States at 0.1% gel strength.
ArgirelineArgireline is acetyl hexapeptide-8, a named cosmetic peptide used for expression-led wrinkles.
AvobenzoneAvobenzone is a chemical (organic) sunscreen filter and is the principal UVA-absorbing chemical filter approved for use in US-marketed sunscreens.
- Azelaic Acid
Azelaic Acid is a skincare ingredient used for blemish-prone skin and uneven-looking tone.
BakuchiolBakuchiol is a plant-derived cosmetic ingredient often marketed as a gentler retinol alternative.
Benzoyl PeroxideBenzoyl Peroxide is an OTC acne-care ingredient used in cleansers and leave-on products for inflamed-looking pimples and breakout-prone skin.
CaffeineCaffeine is a small xanthine molecule used in many eye products for a temporary more-awake, less-puffy look.
Centella AsiaticaCentella Asiatica is a botanical ingredient often used in calming skincare formulas.
- Ceramides
Ceramides are lipid ingredients used in moisturizers to support the feel of the skin barrier and help dry-looking skin look smoother and less flaky.
EyelissEyeliss is a named cosmetic blend used in eye-area products positioned for the appearance of under-eye puffiness and bags.
Ferulic AcidFerulic Acid is a plant-derived antioxidant used in some skincare formulas to support antioxidant performance and stabilize vitamin C pairings.
GlycerinGlycerin is a common humectant in moisturizers that helps bind water at the outer skin surface so dry-feeling skin can feel softer and more comfortable.
- Glycolic Acid
Glycolic Acid is the smallest alpha-hydroxy acid, or AHA, used in cosmetic skincare to loosen dead surface-cell buildup so skin can look smoother and brighter.
Green Tea ExtractGreen Tea Extract is a botanical skincare ingredient used for antioxidant and calming appearance support.
HaloxylHaloxyl is a named eye-area peptide complex used in cosmetic formulas for the appearance of blue-purple or vascular-looking dark circles.
- Hyaluronic Acid
Hyaluronic Acid is a humectant ingredient used to help skin feel more hydrated and look smoother by binding water near the skin surface.
Lactic AcidLactic Acid is an alpha hydroxy acid used in exfoliating skincare for dull-looking texture, roughness, and surface glow.
- Matrixyl
Matrixyl is a cosmetic signaling peptide best known by its INCI name Palmitoyl Pentapeptide-4 (also written Pal-KTTKS).
- Niacinamide
Niacinamide is a vitamin B3 ingredient used in facial moisturizers, serums, and eye creams.
OxybenzoneOxybenzone is a chemical sunscreen filter, also known as Benzophenone-3, used to absorb UV energy in sunscreen formulas.
RenovageRenovage is a Sederma/Croda cosmetic active associated with Teprenone and used here for cautious pore, tone, redness, and texture appearance support.
RetinoidsRetinoids are a family of vitamin A-related ingredients used in skincare and dermatology contexts.
RetinolRetinol is an over-the-counter vitamin A ingredient used in cosmetic skincare for smoother-looking texture, fine-line appearance, and more even-looking tone.
- Salicylic Acid
Salicylic Acid is a beta-hydroxy acid (BHA) used in skincare for the appearance of clogged pores and blackheads.
SesaflashSesaflash is a film-forming cosmetic ingredient used in some firming products to create a smoother, tighter-feeling finish on the skin surface.
Titanium DioxideTitanium Dioxide is a mineral (also called physical) sunscreen filter and is one of only two filters US-marketed mineral sunscreens use (the other is Zinc Oxide).
Topical CollagenTopical Collagen means collagen, hydrolyzed collagen, soluble collagen, marine collagen, or collagen-peptide ingredients used in creams and moisturizers.
Tranexamic AcidTranexamic Acid is a tone-supporting skincare ingredient discussed for uneven-looking pigmentation, including post-inflammatory hyperpigmentation contexts.
- Vitamin C
Vitamin C is used in skincare for brightening, antioxidant support, and the look of more even tone.
Vitamin EVitamin E, often listed as tocopherol, is an antioxidant ingredient used in skincare formulas for skin-feel, barrier-comfort, and antioxidant pairing.
Zinc OxideZinc Oxide is a mineral (also called physical) sunscreen filter, a fine inorganic powder dispersed in a sunscreen base.