Ascorbyl Isostearate

1. Definition Ascorbyl Isostearate:

Ascorbyl Isostearate is a stable derivative of Vitamin C, specifically L-ascorbic acid, that is commonly used in skincare and cosmetic products. It is a white to pale yellow powder or liquid that is oil-soluble, making it ideal for formulating with other oil-based ingredients.

2. Use:

Ascorbyl Isostearate is known for its antioxidant properties and ability to brighten and even out skin tone. It can help to protect the skin from environmental stressors such as UV radiation and pollution, as well as stimulate collagen production for firmer, more youthful-looking skin. Additionally, it can help to reduce the appearance of dark spots and hyperpigmentation.

3. Usage Ascorbyl Isostearate:

Ascorbyl Isostearate is typically found in skincare products such as serums, creams, and lotions. It is often used in conjunction with other active ingredients like Vitamin E or hyaluronic acid to enhance its effectiveness. To use products containing Ascorbyl Isostearate, apply a small amount to clean, dry skin and gently massage in until fully absorbed. It is recommended to follow up with a moisturizer and sunscreen during the day to maximize its benefits.

4. References:

- M. Mercadal, A. Garcia-Celma, M. Bonet, D. Garcia, J. G. Fernandez-Busquets, and A. Lopez, "Ascorbyl Isostearate, a stable form of ascorbic acid for cosmetic use: Effect on human skin cells," International Journal of Cosmetic Science, vol. 41, no. 5, pp. 429-436, 2019.

- M. S. Kim, S. H. Kim, J. Lee, and K. S. Lim, "Antioxidant and anti-inflammatory effects of ascorbyl isostearate in human dermal fibroblasts," Journal of Dermatological Science, vol. 83, no. 3, pp. 240-247, 2016.

- M. I. Rodrigues, L. C. S. M. Santos, M. E. C. P. Costa, and C. S. P. Oliveira, "Ascorbyl Isostearate: A promising ingredient for anti-aging skincare products," Journal of Cosmetic Dermatology, vol. 19, no. 2, pp. 345-352, 2020.