Sun-care product formulation; UV filters, SPF etc. How to consider formulations?

Sun care products are essential for protecting our skin from the harmful ultraviolet (UV) rays emitted by the sun. These rays can cause sunburn, skin aging, and even skin cancer. The formulation of sun care products is crucial to ensure they provide adequate protection against UV rays.

One of the most important ingredients in sun care products is UV filters. These ingredients absorb, scatter or reflect UV rays, reducing the amount of UV radiation that reaches the skin. The most common UV filters used in sun care products are avobenzone, octinoxate, and oxybenzone. Avobenzone is a broad-spectrum UV filter that protects against UVA and UVB rays. Octinoxate is also a broad-spectrum UV filter that absorbs UVB rays. Oxybenzone is a UV filter that absorbs both UVA and UVB rays.

Another important ingredient in sun care products is sun protection factor (SPF). SPF is a measure of how well a product protects the skin from UVB rays. A product with an SPF of 30 will protect the skin from 97% of UVB rays, while a product with an SPF of 50 will protect the skin from 98% of UVB rays. It is important to note that SPF only measures protection against UVB rays and not UVA rays. Therefore, it is important to look for sun care products that contain both UV filters and SPF to provide comprehensive protection against both UVA and UVB rays.

Sun care products also contain other ingredients that provide additional benefits to the skin. For example, antioxidants such as vitamin C and E can help to protect the skin from damage caused by UV rays. Moisturizers can help to keep the skin hydrated and reduce the risk of sunburn. Some sun care products also contain anti-aging ingredients such as retinol to help reduce the appearance of fine lines and wrinkles.

In conclusion, sun care products are essential for protecting our skin from the harmful UV rays emitted by the sun. The formulation of sun care products is crucial to ensure they provide adequate protection against UV rays. The most important ingredients in sun care products are UV filters and SPF, which provide protection against UVA and UVB rays. Sun care products also contain other ingredients that provide additional benefits to the skin such as antioxidants and moisturizers. It is important to choose sun care products that contain both UV filters and SPF and to reapply them frequently throughout the day to ensure maximum protection.

Checkout this experts recommended training: High-Performance Natural Cosmetics: Ingredient Selection, Formulation, Evaluation, Claims and Regulations