DHA: How Sunless Tanning Lotions Work

Most people who benefit from the use of sunlessthe 1970's that the FDA approved the use of DHA for
tanning lotions don't ever stop to think about how theycosmetics and it wasn't until the 1980's that it became
work. After all, they're just glad that they work,the primary ingredient in sunless tanning lotions.
providing natural-looking tans without requiring them toOkay, so now you know the history of how DHA
go out into the sun. But perhaps you've mused uponcame to be an important part of sunless tanning lotions
the fact that sunless lotions are a really interestingbut how does it work? Basically, this sugar forms a
product. And perhaps you've wondered how they donatural reaction with your skin cells that results in the
what they do. Do they dye the skin? Are they safe?changing of skin color. Varying amounts of DHA within
These are the questions that a few people havethe sunless tanning lotions will produce varying shades
wanted to know about sunless tanning lotions.of color because higher concentrations of DHA will
The answer that these people is looking for is simple.have a greater reaction with the skin and create a
DHA. Okay, maybe it's not that simple, but once youdarker coloring. Because the DHA is only reacting with
know a little bit about it, the sunless tanning lotionthe outer layers of the skin, the sunless tanning lotion is
process is easy to understand. Basically, the importantdesigned to have a temporary effect. Hence the
ingredient in any sunless tanning lotion that you mightmaintenance that you do to keep the tan looking fresh.
use is an ingredient called DHA, short forSo, in a sense, yes - DHA does dye the skin although it
dihydroxyacetone. This is a natural ingredient (adoes so through a natural chemical reaction. Is that
carbohydrate actually, see there is such a thing assafe? DHA has now been on the FDA's list of
good carbs!). Believe it or not, it's basically a sugar.approved cosmetics products for over 30 years. The
Way back in the 1920's, DHA was being used forworst thing that your skin is likely to experience as a
medical purposes and it was discovered that it turnedresult of the reaction is a mild tingling or slight irritation.
the skin a darker color than it naturally was. It was thenOther than that, the product is considered to be safe.
that the idea was sparked that would eventually leadPeople who have lingering concerns about the effects
to the creation of sunless tanning lotions. But originalof UV rays from natural outdoor tanning and indoor
plans were derailed and the first sunless tanning lotionssalon tanning often find that the use of sunless tanning
(which didn't come out until forty years after thatlotions is a preferable alternative to getting the tan that
discovery) didn't make good use of DHA. It wasn't untilthey desire.