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Sunscreen, also known as sunblock, [a] sun lotion or sun cream, is a photoprotective topical product for the skin that helps protect against sunburn and prevent skin cancer. Sunscreens come as lotions, sprays, gels, foams (such as an expanded foam lotion or whipped lotion [4]), sticks, powders and other topical
Ecamsule (USAN, trade name Mexoryl SX, INCI terephthalylidene dicamphor sulfonic acid) is an organic compound which is added to many sunscreens to filter out UVA rays. It is a benzylidene camphor derivative, many of which are known for their excellent photostability.
UPF (ultraviolet protection factor) represents the ratio of sunburn-causing UV without and with the protection of the fabric, similar to SPF (sun protection factor) ratings for sunscreen. While standard summer fabrics have UPF ~6, sun protective clothing typically has UPF ~30, which means that only 1 out of ~30 units of UV will pass through (~3%).
Avobenzone in sunscreen may stain clothes yellow-orange and make them sticky if washed in iron-rich water, as it reacts with iron to produce rust. The damage can be undone with a rust remover or stain remover. [34] [35] The staining properties of sunblock made with avobenzone are particularly noticeable on fiberglass boats with white gelcoat.
Hawaiian Tropic is an American brand of suntan lotion that was founded by Ron Rice in 1969. Hawaiian Tropic became the largest private manufacturer of sun care products in the United States.
I sailed on one of the largest cruise ships in the world, Royal Caribbean's Wonder of the Seas. I brought a carry-on suitcase and a backpack for the seven-night Caribbean cruise.