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The principle tanning agent used in no streak tan self-tanning formulas is dihydroxyacetone (DHA). This ingredient does not produce a "real tan" by increasing the skin's melanin levels, rather it creates a tanned appearance by developing a brown color on the surface of the skin.
The action of DHA is limited to the upper layer of the skin and involves a reaction between DHA and skin proteins and oxygen that produces brown compounds. This process is similar to what occurs when you slice open an apple and the surface of the apple browns when it's exposed to the oxygen in the air
The development of color takes anywhere from 2 to 4 hours and the intensity of color is dependent upon the DHA concentration in the product as well as each tanner's individual skin characteristics. The color developed by the DHA usually lasts 5 to 7 days and begins to fade as the top layer of the skin naturally exfoliates.
The longevity of a sunless tan depends on the type of self tanning application, the skin's natural exfoliation process, and on the skincare regimen followed before and after application.
On average, self tanners last 4-7 days. A professionally application, I.e. a sunless tan received at a salon or spa, will last longer than an at-home application as there is usually a greater percentage of DHA used.
At-home application (lotions, sprays, mousse, etc.) = 3 to 5 days
Professional application (stand-up spray units, airbrush, Custom Bronzing) = 5 to 7 days
The "life span" of a sunless tan also depends on your skin's natural exfoliation. The faster your skin turns over, the faster the sunless tan will fade. The tan created by the DHA affects only the top layer of the skin and will begin to fade after 4 to 5 days as the skin naturally begins to exfoliate.
Following a good skin care regimen before and after sunless tanning will help a sunless tan last longer. Exfoliating prior to a sunless tanning application and keeping skin moisturized afterwards are essential. Sunless tan-extending products with a light self-tanning bronzer, like NorvellĀ® tan extending lotion, help hydrate skin and maintain even, natural-looking color longer.
If at anytime, while you are browsing through our site and, you have a question related to any of fake tanning and sunless tan products don't hesitate to call us at 0845 602 2231 or send us an e-mail here
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