DropBrigt® Retain (oxothiazolidinecarboxylic acid) possesses powerful antioxidant and detoxifying properties and is effective in inhibiting tyraminase activity. By inhibiting tyraminase activity, it can correct epidermal atypical hyperplasia, dyskeratosis, and atrophy ^.

It significantly improves the keratinization process, increases the number of transparent keratin particles, thickens the layer, thins the cuticle, and reduces melanosomes, brightening and whitening the skin. Therefore, this product not only acts on the skin's surface, but also whitens, moisturizes, protects, sterilizes, and blocks UV rays. Simultaneously, it increases GSH biosynthesis in subcutaneous cells and builds a natural protective layer that strengthens glutathione in these cells.

It enhances the subcutaneous quenching and oxidation ability of free radicals, stimulating the subcutaneous layer's natural antioxidant system to achieve whitening, slow the aging process, and eliminate wrinkles. It is effective in restoring skin vitality and improving skin elasticity, texture, radiance, and UV-protection.

Although it's a synthetic substance, animal and human testing have proven it safe and effective as a skin cosmetic, suitable for oral use and vaginal injection. Within the recommended usage range, it does not cause itching, erythema, irritation, or acne.

In vitro antioxidant tests have shown that it has a strong antioxidant effect and can effectively inhibit lipid peroxidation after UVB damage, suggesting its potential for use in preventing skin photoaging.

It is applicable to a wide range of pH values and maintains long-term stability, so there is no need to add other stable ingredients, and there is no environmental pollution.