ma:nyo Glutathione 7 Dark Spot Serum brings together seven tone-focused ingredients led by glutathione — the antioxidant Korea has used for years and the US is only now catching up on.
Glutathione, K-beauty’s radiance ingredient
Long popular in Korea and increasingly visible in the US, glutathione is an antioxidant used in formulas aimed at radiance and the look of an even complexion. It’s one of the ingredients to watch in 2026.
Seven ingredients, one job
Glutathione, niacinamide, N-acetyl glucosamine, vitamin C, arbutin, kojic acid and lemon fruit extract — seven tone-focused ingredients working on the same concern rather than one doing all the lifting.
Comfort ingredients alongside the actives
Hyaluronic acid, panthenol, centella asiatica and squalane keep the formula comfortable. Tone-focused routines can be drying, and this is what stops that happening.
Milky yellow, absorbs without stickiness
The colour comes from the ingredients themselves and doesn’t transfer to skin. The texture adheres softly and sinks in, so it layers cleanly under moisturizer and sunscreen.
Realistic timelines
Two to three months of consistent daily use, with sunscreen every morning. Tone work is slow by nature, and without SPF fresh sun exposure keeps undoing the progress.
When to see a dermatologist instead
If marks are widespread, changing shape, or you’re not sure what they are — that’s a medical question rather than a skincare one. Cosmetic products work on how uneven tone looks, and that distinction matters.
Pairs well with
Add targeted care with the Glutathione 7 Serum Patches, and protect with Korean sunscreen. Browse niacinamide, vitamin C and Korean serums.
