Menthyl PCA
Korean INCI: 멘틸피씨에이
Base
What it is
Cooling agent
How it affects the score
Formulation ingredient (cleansing, viscosity, preservation). Not scored.
How to read it on the label
Common to most shampoos — no need to judge a product by its presence.
Ingredients are listed by descending concentration. Anything after the ~1% anchors (EDTA, hexanediol, preservatives) is effectively trace.
Check your own shampoo
Paste your full ingredient list to see this ingredient's position and the overall score.
Related ingredients
Menthol · Irritant / caution
Menthyl Lactate · Irritant / caution
Menthyl Acetate · Base
Vanillyl Butyl Ether · Base
Camphor · Irritant / caution
Mentha Piperita Oil · Irritant / caution
※ For reference only, based on public ingredient data — not medical advice.