Stress, not-so-great food choices, and being around environmental nasties can lower our glutathione levels
Republic of Korea Patent Application KR20100040589 (A) Cho DW, Kim JM, Lee DH, Hurh BS, Kim YH, Kim DE, Oh E, Bae HA, Kim JH, Shin SH, Kang DK (2012) Novel yeast mutant containing increased glutathione content, method for producing the same and use thereof
Luthione also enhances the body's immunity by stimulating elimination by the kidneys

Consumer Results 99% agreed it instantly nourished skin with moisture, imparting a smooth, healthy-looking glow 96% agreed skin looks nourished** 95% agreed skin feels deeply moisturized** 95% agreed skin feels immediately hydrated** 94% agreed skin looks and feels healthier** 94% agreed skin feels smoother and more supple** 93% agreed skin looks and feels softer** 93% agreed it improved the overall appearance of skin** 91% agreed skin looks radiant** 88% agreed they love the non-sticky, non-greasy formula** 87% agreed it absorbs quickly into the skin** 81% agreed skin looks and feels more plump** 81% agreed it softens fine lines and wrinkles** 80% agreed skin feels firmer** 79% agreed skin looks firmer** 79% agreed it improves skins elasticity** 78% agreed it dramatically improves skin complexion** 77% agreed it dramatically improves skin texture** 76% agreed skin doesnt feel oily after application** ** In a consumer study of 106 women after 28 days

Delivers the optimal nourishment to strengthen skin, leaving the skin around the eyes looking smoother, brighter and firmer