Glutathione
INCI: Glutathione
It supports the formula but is not the depigmenting engine.
The most important thing to know about glutathione is that route matters. Oral and topical are not the same conversation — and the topical evidence is thinner than the marketing suggests.
- Typical level
- Antioxidant-led supporting level
- Evidence
- Emerging — limited or indirect
Why not higher
The evidence base for topical glutathione is thinner than for tranexamic acid, kojic acid, or niacinamide, and it is frequently conflated with oral data. We formulate it as supporting care and do not present it as the primary fading mechanism.
What it does
What it is
Glutathione is a tripeptide that your cells already produce, and one of the body's primary endogenous antioxidants. Interest in it for skin tone originates largely from oral supplementation research.
The honest evidence position
The evidence base for topical glutathione is thinner than for tranexamic acid, kojic acid, or niacinamide, and it is frequently conflated with oral data. We formulate it as an antioxidant-led supporting active in the premium tier, we price it accordingly, and we do not present it as the primary fading mechanism. If a competitor tells you otherwise, ask which study they are citing and which route it used.
Safety notes
Glutathione has a mild sulfur note; we keep inclusion levels where the base masks it. Positioned as supporting antioxidant care, not the core fading mechanism.
Also known as: GSH, L-glutathione
Where it appears
Entry SKU
Glutathione 7 Hydrogel Spot Patch · 24 ct
Sustained contact, overnight, on one specific mark. The most filmable product we make.
4.6 · 874 reviews · projected
Premium
Glutathione Overnight Wrapping Mask
Eight hours of contact instead of ten minutes, removed in one piece in the morning.
4.5 · 521 reviews · projected