Acetyl Carnosine
Acetyl Carnosine
ACE
7/10
Concern level
High concern
Acetyl Carnosine is the cosmetic name commonly used for N-acetyl-L-carnosine, a histidine-containing dipeptide derivative. It is used as an antioxidant and anti-glycation active, with interest in formulations aimed at protecting against oxidative stress and supporting a more resilient, youthful-looking appearance.
Pore-clogging
Non-comedogenic
Regulatory
No data
Benefits
Anti-aging
Chemical Properties
Molecular Weight
268.27 g/mol pH Range
5.00 - 7.00Typical Concentration
0.10% - 2.00%CAS Number: 56353-15-2
Skin Type Compatibility
dry skin7/10
oily skin7/10
sensitive skin5/10
acne prone7/10
mature skin8/10
normal skin8/10
Interactions
incompatible with: May increase sting in formulas already high in acids or other strong actives, Use caution when pairing with low-pH exfoliating acids if the product is intended for sensitive skin, No well-established direct incompatibilities, but formulation pH and stability should be verified by testing
Risks & Warnings
Human cosmetic data are limited compared with more established actives. Potential issues are mainly mild irritation or stinging in sensitive users, especially in low-pH or highly active formulas. Safety in pregnancy and breastfeeding is not well established from cosmetic-use data, so a conservative assessment is warranted.
Vegan Cruelty-Free



