What does glutathione do for skin?
Glutathione is an antioxidant involved in the body's defence against oxidative stress, damage caused by reactive molecules called free radicals. It also influences melanin production through tyrosinase, an enzyme involved in making pigment. Its main cosmetic potential is reducing pigmentation; topical formulations have also shown improvements in skin texture.1
Keep the goal specific, such as a more even looking tone, because 'better skin' is a job description with no duties attached.1
Creams, supplements and injections are different choices
| Form | Potential benefit | Main concern |
|---|---|---|
| Topical glutathione | Reduced pigmentation and improved texture. | How well improvements last is variable. |
| Oral glutathione | Reduced melanin levels, with variable results. | Long term safety and medication interactions need more investigation. |
| Intravenous glutathione | Rapid lightening effects have been reported. | Serious allergic reactions and liver toxicity; no standardised dosing. |
What strength should you use, and how long does it take?
An optimal glutathione dose, topical strength and treatment schedule are not settled. There is no dependable universal timetable for visible improvement or lasting results. Do not choose intravenous glutathione for cosmetic lightening: its risks include anaphylaxis, a severe allergic reaction, and liver toxicity.1
Can glutathione help melasma?
Topical glutathione is one option used for melasma, a condition that causes blotchy brown facial pigmentation. Melasma usually needs a combination of measures rather than one ingredient. Treatment choice also depends on how deeply the pigment sits in the skin: deeper pigment generally responds less well.2
- 1Have persistent facial pigmentation assessed before choosing treatment. Melasma can resemble marks left after inflammation, freckles and pigmentation caused by medication.
- 2Build in year round sun protection. For melasma, use SPF50+ broad spectrum sunscreen containing iron oxides, a wide brimmed hat and sun protective habits.
- 3Discuss the treatment combination with a dermatologist. Other topical options include azelaic acid, cysteamine and a prescription combination of hydroquinone, tretinoin and a topical steroid.
- 4Monitor changes with photographs. Melasma responds slowly, and pigmentation can return with summer sun exposure.
What about a glutathione peel?
Choose between a home product and a clinic procedure deliberately, because sharing a name does not make them the same purchase.13
The Perfect Peel is a professional peel containing glutathione. Cleveland Clinic offers it for improving pigmentation, fine lines, pore appearance and acne scarring. Some peeling occurs over six days, and the treatment includes a week of post peel care. Those are benefits and recovery details for the complete peel, not directions for a glutathione cream.3
If you have melasma, discuss a peel with a dermatologist before booking. Chemical peels can worsen melasma or cause new pigmentation after inflammation, so they need careful selection rather than being an automatic next step.2
Where this answer comes from
- 1Exploring the Safety and Efficacy of Glutathione Supplementation for Skin Lightening: A Narrative Reviewpmc.ncbi.nlm.nih.gov
- 2Melasma (facial pigmentation)dermnetnz.org
- 3Skin Care Services: Chemical Peelmy.clevelandclinic.org
