Ultra-high SPF claims are mostly marketing gimmicks. In 2007 the FDA wrote that higher values were “inherently misleading,” given that “there is no assurance that the specific values themselves are in fact truthful…” (FDA 2007).
Scientists are also worried that high-SPF products may tempt people to stay in the sun too long, suppressing sunburns (a late, key warning of overexposure) while upping the risks of other kinds of skin damage.
Myth: SPF 30 provides double the protection of an SPF 15
A sunscreen with an SPF of 15 provides protection against 95% of UVB rays, while one with an SPF of 30 provides 97% protection. However an SPF 30 contains far more chemicals than a 15 which may cause irritation and harm to sensitive skin.
Myth: A tan is healthy
There is no such thing as a 'healthy tan'. A tan is a scar and raises the risk of melanoma regardless of how deeply pigmented your skin.
Myth: A base tan will prevent me from getting permanent sun damage.
A base tan is not a substitute for sunscreen. In fact if you have achieved your 'base tan' by using a tanning bed you may have increased your risk of skin cancer. Children especially do not need a tan or a base tan!
Safe effective sunscreen for mother and child
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