Can a Sunscreen Reduce Fine Lines?
90% of the causes of premature aging, wrinkles and creases are exposure to ultraviolet light of the sun, UVA or UVB. A sunscreen is the most effective skin care remedy to reduce fine lines caused as such. However, most people do not use sunscreen correctly because they do not have any idea about the spectrum of absorbed UV radiation, the amount of applied sunscreen and the frequency of application. These factors are important for deriving the effective results of sunscreen to get rid of the signs of aging. We explain you these factors in detail below. So read on to know about them.
Factors to Consider In Order To Reduce Fine Lines
The Spectrum Of Absorbed UV Radiation
The UV radiations emitted by the sun consist UVA, UVB and UVC rays. The UVC rays are captivated by the atmosphere of the earth. Hence, they do not cause skin damage. The UVA rays are captivated by the skin. Hence, they cause skin damage efficiently. The UVA rays are of high intensity. The UVB rays are absorbed by the outer layer of the skin or the epidermis. Hence, they cause skin damage such as sunburns. The UVB rays are of low intensity. Both the UVA and UVB rays break down collagen, create free radicals and inhibit the skin’s natural repair mechanisms to cause wrinkles.
The Sunscreen Application
Sunscreens must be applied daily before stepping out into the sun in order to reduce creases. They have ingredients that can be divided into substances that block the rays and substances that absorb the rays. The substances that block the rays are very effective as they prevent the skin’s exposure to both UVA and UVB rays. In the modern formulations, the substance that protects the skin is micronized titanium dioxide. The substances that absorb the rays are also effective. There are UVA absorbers as well as UVB absorbers that individually absorb the rays. The measure of SPF and PA determines how effectively your skin is protected by the use of sunscreen. While the value for SPF (for UVB protection) must be in between 15 to 30, the value for PA (for UVA protection) must be 10 or more. Also, the sunscreen must contain the ingredients such as titanium dioxide, avobenzone or zinc oxide. To reduce wrinkles, it is vital to apply sunscreen liberally and thoroughly on all the exposed parts of the body so that the film or layer blocks both UVA and UVB rays. After application, you must wait for 20 to 30 minutes before stepping out so that it is allowed to absorb. Remember to apply it as a final layer on top of moisturizers and foundations, because some sunscreens will break down in the presence of water present in the water-based moisturizers and foundations. The Frequency Of Application To prevent wrinkles, the sunscreen must be reapplied frequently. Generally, it is recommended to reapply the sun blocking lotion after 2 to 4 hours in the sun. However, some experts recommend reapplying sunscreen after 20 to 30 minutes spent in the sun. Reapplying is also important after 20 minutes because it will thoroughly and completely protect your exposed parts if the first application was incomplete. Also, excess sweat, swimming and toweling will remove the protection from your skin. Thus, you must reapply it if you sweat, towel or swim.
The Bottom Line
Do not neglect the application of a sunscreen if you want to reduce fine lines, wrinkles, deep creases and premature aging that are caused by the harmful UV radiations of the sun.