What it is
2-Mercaptonicotinoyl Glycine is a synthetic compound combining a thiol-bearing nicotinic acid moiety with the amino acid glycine. In cosmetic formulas it is used as a conditioning additive, included at low concentrations as part of a supporting blend. The thiol group can contribute antioxidant-type chemistry within the formulation.
Safety & warnings
Used at low levels in finished formulas and generally well tolerated. Thiol-containing molecules can have a characteristic odor, which is managed at formulation levels. Composition and use levels are controlled by the formulator.
Origin & sourcing
Synthetic; a manufactured organic compound.
Questions everyone asks
What is 2-mercaptonicotinoyl glycine?
It is a synthetic sulfur-containing compound used as a skin-conditioning additive in cosmetic formulas.
Is it a sunscreen active?
No, it is included as part of a supporting conditioning blend rather than as a UV filter.