DR. KASSIR'S BLOG

Sunscreen V. Sunblock

by Dr. Ramtin Kassir, M.D., F.A.C.S.

June 10, 2016, 12:25 p.m.

With summer right around the corner, many of us are looking for ways to protect our skin; and are lookinf for sunblocks and sunscreens, thinking that they are the same thing.

We are here to break down the differnece and explain sun damage!

Sun damage arises  due to two main causes, both of which are subtypes of UV radiation: UVA and UVB radiation.

  • UVA radiation --- Lower intensity radiation which is absorbed by the dermis layer

    • 315-400 nm wavelength

    • Known as “aging” rays --- Directly impact the dermis of the skin

  • UVB radiation --- Higher intensity radiation which is absorbed by the epidermal skin layer

    • 280-315 nm wavelength

    • Known as “burning” rays --- Directly impact the epidermis of the skin

  • However, is also vital for the production of Vitamin D in the skin (over 90% of Vitamin D production occurs in response to UV-B exposure.

Sunscreen and Sunblock are NOT the same thing! The main difference between the two lies in the coverage they provide.

  • Sunblock --- Protection is more physical in nature

    • Does not penetrate the skin --- Sits on top of the skin to act as a barrier which reflects/scatters UV rays

    • More specialized to protect against UVB rays (rays which “burn” us)

  • Sunscreen --- Protection is more chemical in nature

    • Penetrates the skin and absorbs UV radiation before it reaches the dermis of the skin

    • Specialized to protect against UVA rays (rays which “age” us)

    • Active ingredients often include zinc and titanium oxide

In order to provide your skin with maximum protection, we have came up with the perfect solution!

K-Defense Oil Free Sunscreen!

K-Defense Oil Free Sunscreen is broad-spectrum sunscreen that works wonderfully under make-up for daily use. This sunscreen is formulated with zinc oxide and titanium dioxide to provide ultimate sun protection.

The addition of melanin, a naturally occurring anti-oxidant pigment in the skin, gives the cream a beige tint, making it an ideal choice of a foundation under make-up. The silky, matte-finish ensures that make-up will glide on smoothly without a caked-on appearance or feel.

K-Defense Emollient Sunscreen Broad Spectrum SPF 30 is a combination of micronized Titanium and Zinc oxides, fortified with the powerful anti-oxidant Melanin, Vitamin C & E and Ferulic acid ester, in an emollient silicone elastomer vehicle.

Remember to get your dose of Vitamin D while keeping your skin healthy!

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Disclaimer: This site only provides information about cosmetic surgery and this information is not meant to be taken as medical advice. For more information about plastic surgery, contact Dr. Kassir.