Beauty ingredient research

Beauty ingredients explained in plain English

Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.

20769

Reviewed ingredients

524

Low-concern standouts

2884

Need usage caution

Showing 60 of 612
AllUV absorberUV filterabrasiveabsorbentacne treatmentactiveactive ingredientadhesivealkalizing agentamino acidanti-aginganti-androgenanti-cavityanti-cavity agentanti-inflammatoryanti-irritantanticariesanticavity agentantidandruffantifungalantimicrobialantioxidantantiperspirantantiplaqueastringentbarrier repairbarrier supportbarrier-repairbarrier-supportbinderbinding agentbiotechbiotechnologybond-builderbotanicalbotanical extractbotanical oilbotanical waterbrighteningbrightening agentbufferbuffering agentcell-communicating ingredientceramidechelating agentchemicalchemical intermediateclaycleansercleansingcleansing agentcolorantconditionerconditioningconditioning agentcooling agentcosmeticcosmetic additivecosmetic colorantcosmetic ingredientcosmetic pigmentcosmetic powdercosmetic-texturizercosmetic-waxcosmeticscrosslinking agentdelivery agentdelivery systemdenaturantdeodorantdeodorant agentdepigmenting agentdepilatorydepilatory agentdesensitizing agentdyedye intermediatedye precursordye-intermediateemollientemulsifierenzymeessential oilexfoliantexperimentaleyelashfermentfilm formerfilm-formerfilm-formingfilm-forming agentfirming agentfixativeflavoring agentformulationfragrancefragrance ingredientfunctional ingredientgashair carehair colorhair coloranthair conditionerhair dyehair removalhair-carehair-colorhaircarehumectantindustrialinsecticideintermediatelashlash carelash enhancerlash-and-browlip carelipidmakeupmarine extractmasking agentmicrobiomemicrobiome modulatormineralmoisturizernail carenail-careocclusiveoilopacifieropacifying agentoptical agentoral careotheroxidative dyeoxidative dye precursoroxidizing agentpH adjusterpain reliefpenetration enhancerpeptidepersonal careph adjusterpharmaceuticalpheromonepigmentplant oilplasticizerpolymerpolymer precursorprebioticprescription-drugpreservativepreservative boosterprobioticprocessing agentprocessing aidpropellantproteinpurifyingreducing agentretinoidscalp caresebum regulatorsebum-regulatorself-tannerself-tanningsensory additivesensory agentsensory modifiersiliconeskin barrierskin barrier supportskin conditionerskin conditioningskin conditioning agentskin lighteningskin protectantskin-conditioningskin-conditioning agentskin-identicalskin-identical ingredientskin-lighteningskin-lightening agentskincaresolventsoothingsoothing agentstabilizerstimulantsunscreensurfactantsyntheticsynthetic colorantsynthetic dyesynthetic resinsynthetic-coloranttexture enhancertexturizerthickenertoneruv-absorberuv-filtervasoactivevasodilatorviscosity controlviscosity controllingviscosity controlling agentvitaminwax

Anti-Aging Agent

Oligopeptide-100 Amide

Oligopeptide-100 Amide

4.0

A synthetic peptide amide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with low irritation risk.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-101 Amide

Oligopeptide-101 Amide

4.0

A synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with low irritation risk.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-Aging Agent

Oligopeptide-102

Oligopeptide-102

4.0

A synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with minimal irritation.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-103

Oligopeptide-103

4.0

A synthetic peptide that may help reduce fine lines and improve skin firmness, but more human studies are needed to confirm its effectiveness.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-105

Oligopeptide-105

4.0

Oligopeptide-105 is a lab-made peptide that may help firm skin and soften wrinkles, but research is still early.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-106

Oligopeptide-106

4.0

Oligopeptide-106 is a synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with minimal irritation risk.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-109

Oligopeptide-109

4.0

A lab-made peptide that may help signal skin to produce more collagen, but research is still early and results vary.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-111

Oligopeptide-111

4.0

Oligopeptide-111 is a lab-made peptide that may help skin look firmer and more youthful by encouraging collagen-related activity, but human studies are limited.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-113

Oligopeptide-113

4.0

A synthetic peptide that may help reduce fine lines and improve skin firmness by signaling collagen production, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-114 Acetate

Oligopeptide-114 Acetate

4.0

A synthetic peptide that may help improve skin firmness and reduce fine lines, but human research is still limited.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-Aging Agent

Oligopeptide-115

Oligopeptide-115

4.0

A synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with low irritation risk.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-116

Oligopeptide-116

4.0

A synthetic peptide that signals skin cells to produce more collagen, helping reduce fine lines and improve firmness with consistent use.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-119

Oligopeptide-119

4.0

A lab-made peptide that may help support collagen and improve skin firmness, but research is still early and results vary.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-121

Oligopeptide-121

4.0

Oligopeptide-121 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-122

Oligopeptide-122

4.0

A synthetic peptide that may help support collagen production and improve skin firmness, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Skin conditioning agent

Oligopeptide-123

Oligopeptide-123

3.8

A lab-made peptide that may help support collagen and firmness, but specific research on this exact peptide is limited.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-124 Amide

Oligopeptide-124 Amide

4.0

A lab-made peptide amide that may help firm skin and reduce fine lines, but human research is still limited.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-125 Amide

Oligopeptide-125 Amide

4.0

A synthetic peptide amide that may help support collagen and improve skin firmness, but long-term human data is still limited.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-Aging Agent

Oligopeptide-128

Oligopeptide-128

4.0

Oligopeptide-128 is a lab-made peptide that may help support collagen production and improve skin firmness, but research is still early.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-130

Oligopeptide-130

3.8

Oligopeptide-130 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-131

Oligopeptide-131

4.0

Oligopeptide-131 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-132

Oligopeptide-132

4.0

A lab-made peptide that may help reduce fine lines by signaling skin to produce more collagen, but research is still developing.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-133

Oligopeptide-133

4.0

Oligopeptide-133 is a lab-made peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with minimal irritation.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-134

Oligopeptide-134

4.0

Oligopeptide-134 is a lab-made peptide that may help improve skin firmness and reduce fine lines, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-135

Oligopeptide-135

4.0

A synthetic peptide that may help reduce fine lines and improve skin firmness, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-136

Oligopeptide-136

4.0

Oligopeptide-136 is a lab-made peptide that may help reduce fine lines and improve skin firmness, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-137

Oligopeptide-137

4.0

Oligopeptide-137 is a lab-made peptide that may help support collagen and firm skin, but human research is still limited.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-138

Oligopeptide-138

4.0

A synthetic peptide that may help reduce fine lines and improve skin firmness, but human research is still limited.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-140

Oligopeptide-140

4.0

Oligopeptide-140 is a lab-made peptide that may help support collagen production and improve skin firmness, but human research is still limited.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-141

Oligopeptide-141

4.0

A synthetic peptide that may help reduce fine lines and improve skin firmness, but more human studies are needed to confirm its effects.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-142

Oligopeptide-142

4.0

A synthetic peptide that may help support collagen production and improve skin firmness, but human studies are still limited.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-143

Oligopeptide-143

4.0

A promising synthetic peptide that may help firm skin and reduce fine lines, but human studies are still limited.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-146

Oligopeptide-146

4.0

Oligopeptide-146 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-146 Dimer

Oligopeptide-146 Dimer

4.0

A synthetic peptide that may help firm skin and soften wrinkles, but research is still early.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-147

Oligopeptide-147

4.0

A synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with low irritation risk.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-148

Oligopeptide-148

4.0

Oligopeptide-148 is a lab-made peptide that may help firm skin and reduce fine lines, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-149

Oligopeptide-149

4.0

A synthetic peptide that may help reduce fine lines and improve skin firmness, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-150

Oligopeptide-150

4.0

A lab-made peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with minimal irritation risk.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-151

Oligopeptide-151

4.0

A lab-made peptide that may help support collagen and improve skin firmness, but human studies are limited.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-152

Oligopeptide-152

4.0

A synthetic peptide that may help reduce fine lines and improve skin firmness, but more human studies are needed to confirm its effects.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-153

Oligopeptide-153

4.0

Oligopeptide-153 is a lab-made peptide that may help firm skin and reduce fine lines, but research is still early and results vary.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-154

Oligopeptide-154

4.0

A synthetic peptide that signals skin cells to produce more collagen, helping reduce fine lines and improve firmness with consistent use.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-Aging Agent

Oligopeptide-156

Oligopeptide-156

4.0

Oligopeptide-156 is a lab-made peptide that may help reduce fine lines and improve skin firmness by signaling collagen production, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-158

Oligopeptide-158

4.0

Oligopeptide-158 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-33

Oligopeptide-33

4.0

Oligopeptide-33 is a synthetic peptide that may help improve skin firmness and reduce fine lines, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-34

Oligopeptide-34

3.8

Oligopeptide-34 is a lab-made peptide that may help support collagen and firm skin, but research is still early.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-42

Oligopeptide-42

4.0

A synthetic peptide that may help support collagen and improve skin firmness, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-44

Oligopeptide-44

4.0

A synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with consistent use.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-48

Oligopeptide-48

4.0

A synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with consistent use.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-49

Oligopeptide-49

4.0

Oligopeptide-49 is a lab-made peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with consistent use.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-51

Oligopeptide-51

4.0

A synthetic peptide that may help improve skin firmness and reduce fine lines, but more human studies are needed to confirm its effectiveness.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-Aging Agent

Oligopeptide-52

Oligopeptide-52

4.0

A lab-made peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with consistent use.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-56

Oligopeptide-56

4.0

Oligopeptide-56 is a lab-made peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with consistent use.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-61

Oligopeptide-61

3.8

Oligopeptide-61 is a synthetic peptide that may help support skin firmness and reduce fine lines, but research is still emerging and results vary.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review

Anti-aging agent

Oligopeptide-64

Oligopeptide-64

4.0

Oligopeptide-64 is a lab-made peptide that may help firm skin and reduce fine lines, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareanti-aging
Read ingredient review