Summer is around the corner, and I’m willing to bet
that one of the hottest skin topics in the coming months is going to be the new
sunscreen rules. These changes have been a long time coming, because sunscreen manufacturers have been using some "loose" definitions to the terms on their prodcuts' labels.
As a consumer,
this means that you’re going to have to start reading labels differently. There
are new regulations for manufacturers regarding protection benchmarks (which
may lead to reformulation of some of your favorites), but for now we’ll stick
to the info you need to know.
1. "Broad spectrum" is not broad.
The Scoop: There are
two main types of UV rays: UVA and UVB. UVA rays are responsible for aging
changes like wrinkles and discoloration, while UVB rays cause
sunburn. Both of these rays contribute to skin cancer. However, SPF only refers to the
level of UVB protection, and up until this point, there hasn’t been a scale for
UVA protection.
New Rules: New labeling rules state that in order to put
the words “broad spectrum” on a bottle of sunscreen, the product must shield
skin from 90% of UVA rays, and have an SPF of all least 15, which means it
provides protection from UVB rays as well
2. SPF in cosmetics is not reliable.
The Scoop: If you’ve been following me for any period of
time, you know I always advise patients not
to trust the SPF in makeup. Cosmetic labeling has not been required to follow the same rules as sunscreens.
New Rules: From now on, beach products and cosmetics products will
be treated the same in terms of sun protection labeling. This means your
favorite tinted moisturizer or foundation must meet the same criteria as
sunscreens and carry a drug facts label if it claims to have SPF. Expect to
see many of those sun protection claims go away—or to see skin cancer and skin
aging warnings on products that do not meet the broad-spectrum criteria.
3. Shampoo or body wash is not sunscreen.
The Scoop: You may own body wash with SPF claims in its label. In the past, all kinds of products (including shampoo and powders) could claim to have sun protection.
New Rules: The FDA is tightening the rules on other
types of products that claim to offer sun protection. Powders, towelettes,
wipes, shampoos, or body washes will no longer be able to be classified as
sunscreens. Even continuous spray formulas that we’ve all come to depend on
must be subjected to additional testing in order to confirm that the average
user actually applies enough product to get the protection stated on the
package.
4. “Waterproof” and “sweatproof” are dangerous words.
The Scoop: These terms have been problematic for
dermatologists for a long time, mainly because they give a false sense of
security. Regardless of the formulation, and sunscreen needs to be reapplied
every two hours, or after swimming, perspiring or towel-drying.
New Rules: New labeling
rules only allow companies to state that a sunscreen is “water-resistant for 40
minutes” or “very water-resistant for 80 minutes.”
Another Type of Ray You Should Know
We wear sunscreen every day to shield our skin from the
damage caused by UVA
and UVB rays, but you probably didn’t know that there’s another type of sun
ray we need to think about. Odds are you’ve heard of infrared rays, but research
is beginning to shed light (no pun intended) on the ill effects this energy has
on our skin.
What are infrared rays?
Simply put, infrared rays are produced by the sun, ovens,
hairdryers and light bulbs. (In fact, 54% of the solar energy that reaches the
skin’s surface is infrared.) Similar to UV rays, there are three kinds of
infrared rays: IFA, IFB and IFC. We can’t feel the IFA type rays, but they
penetrate deeper in the skin than UV does, and cause damage that leads to skin
aging. (You can feel IFB and IFC, which
get reflected off of the skin’s surface.)
How do they affect our skin?
IFA rays do not generate heat, but they penetrate deep into
the skin and damage the mitochondria (energy-producing organelles) and other parts of our skin cells by generating
free radicals. Infrared rays have also been found to increase pigment
production within the skin. Recent research also shows that IFA rays cause
inflammation as well as signs of aging like fine lines and wrinkles. Infrared
rays may also be the root cause of “laptop rash,” a red, blotchy irritation
(medically known as erythema ab igne) that looks like brown, red patches in
areas of heat contact.
How can you protect yourself?
Sunscreens do not shield skin from any type of infrared
rays. Topical antioxidants should help shield the skin but the only one that
has been tested (and proven) to protect against IFA is SkinCeuticals
C E Ferulic.
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Dr. Baumann is the author of the New York Times best-selling book,The Skin Type Solution. Look for the new edition in bookstores Nov 23rd 2010.
To discover your Baumann Skin Type®, visit her Web Site, SkinTypeSolutions.com.
Once you know your Baumann Skin Type®, you can shop by your skin type and choose from hundreds of brands at