2-Mercaptonicotinoyl Glycine

2-Mercaptonicotinoyl Glycine is a synthetic antioxidant that also helps modulate skin tone. It targets the look of uneven pigmentation and dullness, and works best for a brighter appearance when paired with daily broad-spectrum sunscreen.
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Ingredient Snapshot

Overview
May fade dark spots and dullness for a brighter, more even look.
Category
Brightening, Hyperpigmentation, Antioxidant, Tone/Texture
Type
Antioxidant

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

May reduce the look of dark patches and a lackluster complexion, promoting a more uniform appearance. Current evidence is emerging, so results can vary.

Uses In Skincare & Cosmetics

Found in targeted serums and spot treatments designed for tone refinement. Also included in leave-on creams within brightening routines alongside sunscreen.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Early data suggest acceptable safety at cosmetic levels, but sensitive skin can experience tingling or redness. Introduce slowly and avoid pairing with several strong actives at once. Daily sunscreen complements any tone-evening routine.

Is 2-Mercaptonicotinoyl Glycine a Good Ingredient?

It rates Fair because published cosmetic data are limited and tolerance can vary; some users may notice temporary irritation or odor. It shows promise but is not yet as established as leading brightening agents.

Products with 2-Mercaptonicotinoyl Glycine

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