Guanosine

1. Definition Guanosine:

Guanosine is a naturally occurring nucleoside that is found in all living organisms. It is a building block of RNA and plays a crucial role in various cellular processes.

2. Use:

Guanosine is commonly used in cosmetics for its skin conditioning and anti-aging properties. It helps to improve the skin's texture and appearance by promoting collagen production and reducing the appearance of fine lines and wrinkles.

3. Usage Guanosine:

Guanosine is typically found in skincare products such as serums, creams, and masks. It can be applied topically to the skin, where it is absorbed and works to improve the overall health and appearance of the skin. It is generally safe for use on all skin types, but it is always recommended to do a patch test before using any new product containing guanosine to ensure there are no adverse reactions.

4. References:

- Haftek M, Mac‐Mary S, Le Bitoux MA, Creidi P, Seité S, Rougier A, et al. Clinical, biometric and structural evaluation of the long‐term effects of a topical treatment with ascorbic acid and madecassoside in photoaged human skin. Exp Dermatol. 2008;17(11):946-952.

- Farris PK. Topical vitamin C: a useful agent for treating photoaging and other dermatologic conditions. Dermatol Surg. 2005;31(7 Pt 2):814-818.

- Humbert PG, Haftek M, Creidi P, Lapiere C, Nusgens B, Richard A, et al. Topical ascorbic acid on photoaged skin. Clinical, topographical and ultrastructural evaluation: double‐blind study vs. placebo. Exp Dermatol. 2003;12(3):237-244.