L-Glutathione Powder (99% Pure Active)
R105,00
A 99% pure antioxidant used in brightening serums. This water-soluble ingredient helps even out tone and defends the skin against the daily damage that leaves it looking dull.
INCI: Glutathione
Benefits & How It Works
L-Glutathione is an antioxidant the skin makes naturally, built from three amino acids (cysteine, glutamic acid and glycine). In a formula it mops up the free radicals that dull and age skin, and it has long been used in brightening serums to help even out tone and surface discolouration. It works best as part of an antioxidant team rather than on its own.How to Use & Formulation Specs
- Usage rate: 1%–3%
- Solubility: fully water-soluble — add to the water phase
- pH: most stable at pH 3.5–6.5
- Texture: fine white powder (99%+ pure)
- Pairs well with: a stable Vitamin C such as Tetrahexyldecyl Ascorbate, or Ferulic Acid
See It in a Formulation
More Information
L-Glutathione Powder (99% Pure Active) is a tripeptide synthesized from three specific amino acids: Cysteine, Glutamic Acid, and Glycine. In clinical skincare chemistry, it is recognized as a high-performance antioxidant that supports the skin's natural defense against oxidative markers caused by environmental exposure (see dermatology review).
For maximum stability, I recommend pairing it with a stable Vitamin C derivative or Ferulic Acid to create a synergistic antioxidant network.
To see how I have balanced L-Glutathione with synergistic actives for targeted results, view the Skin Brightening Kit.
Note: Because L-Glutathione is highly sensitise to light and air, it is not recommended for open-jar packaging. Always use airless pumps or amber glass to maintain its molecular soul.
Our L-Glutathione is a raw cosmetic ingredient intended for use in topical personal care formulations only. To ensure stability and efficacy, we recommend this active for advanced formulators or those working alongside a cosmetic chemist.
L-Glutathione Powder (99% Pure Active)- External Use Only
Frequently Asked Questions
What does glutathione do in skincare? It is an antioxidant that helps even out tone and protects the skin from daily free-radical damage.How should it be packaged? It is sensitive to light and air — use an airless pump or amber glass, not an open jar.What strength should I use? 1–3%, added to the water phase.You may also like…
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