A subset of sunscreens, sunblocks contain active ingredients that act as physical blockers to prevent ultraviolet radiation damaging skin. The two sunblock ingredients currently allowed by the FDA are zinc oxide and titanium dioxide. In previous decades, zinc oxide formulations were quite thick and heavy, looking almost like white paint. More modern formulations use micronized or transparent zinc.
A substance that physically deflects ultraviolet rays and is recommended for people who are out in intense sun for long periods of time.
A method to physically deflect UV rays.
a cream spread on the skin; contains a chemical (as PABA) to filter out ultraviolet light and so protect from sunburn
a physical barrier between the skin and the sun
a physical sunscreen, i
a visible opaque white or colored cream that prevents all light from entering the skin
a cream that reflects ultraviolet radiation. Usually containing zinc oxide or titanium dioxide
A physical sunscreen or a barrier against the sun's ultraviolet rays. Available in creams or ointments.
Products that reflect all the sun's rays, such as zinc oxide and titanium dioxide. They permit minimal tanning, and are a good choice for those who are sensitive to chemicals.