Papain

Papain is a proteolytic enzyme obtained from papaya latex, used in cosmetics as a pH-dependent keratolytic ingredient. Exfoliating formulas use it to dissolve surface proteins, refine skin texture, and promote a smoother, more even look.
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Snapshot

Overview
A papaya enzyme that gently dissolves dull surface skin cells.
Category
Exfoliating, Tone/Texture, Brightening
Type
Exfoliant

Ratings

Overall Rating

Fair

Comedogenic Risk

None

Not typically evaluated for comedogenicity — no standardized rating available.

Is Papain a Good Ingredient?

Rated Fair: it provides gentle enzymatic exfoliation, but its activity is highly pH- and formulation-dependent, and clinical evidence against standard acids is limited. There's also a meaningful risk of irritation or sensitization, especially for those sensitive to papaya or latex proteins, which keeps it out of Good territory.

Skin Benefits

Helps lift dull surface buildup for a fresher, brighter-looking complexion with smoother feel. Evidence for long-term tone improvement is limited, so results can vary by formula and skin type.

Uses in Skincare & Cosmetics

Often included in enzyme cleansers, exfoliating masks, and gentle peel gels for glow-boosting routines.

Safety

May cause irritation or allergic reactions, particularly in individuals with papaya or latex sensitivities; patch testing is prudent. Avoid use on compromised skin and around the eyes, as enzymes can increase sting potential.