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Benzophenone-2, -6 and -8 protect cosmetics and personal care products from deterioration by absorbing, reflecting, or scattering UV rays. Benzophenone-8 when applied to the skin, absorbs UV rays. In addition to causing sunburn, UV radiation is a significant cause of premature aging of the skin and contributes to the development of melanoma and other forms of skin cancer. When used in OTC sunscreen drug products, Benzophenone-8 must be called Dioxybenzone.

enzophenone-8; (2-Hydroxy-4-methoxyphenyl)(2-hydroxphenyl)-methadone(UV24); 2, 2''-DIHYDROXY-4-METHOXYBENZOPHENONE/DIOXYBENZONE; BP-8; 2-2'-DihydChemicalbookroxy-4-methoxy-benzophenone(UV-24); 2, 2-Dihydroxy-4-MethoxyBenzophenone(Benzophenone8); 2'-Dihydroxy-4-Methoxybenzophenone; Dioxybenzone(150mg)

5-Aminolevulinic acid (5-ALA) is an intermediate in heme biosynthesis and is useful in cancer treatment. It is a non-protein amino acid. 5-ALA also has applications in the field of agriculture. It is being studied as an inducing reagent for protoporphyrin IX (PPIX) dependent fluorescence diagnosis of metastatic lymph nodes. 5-ALA is used for photodynamic therapy of diseases, such as Paget's disease and HPV infection-associated cervical condylomata acuminata.