The crude mangrove extract contains natural sun screen, topoisomerase and tyrosinase inhibitor, and antimicrobes. The advantage of mangrove extract over conventional sunscreen containing titanium oxide and zink oxide is the ability to absorbs UV-A and UV-B simoultaneously. UV-A causes skin wrinkle, dryness. Hyperpigmentation (tanning) lead to skin cancer while UV-B causes skin redness and sunburn. Topoisomerase and tyrosinase
enzyme inhibitor can reduce the risk of getting skin cancer and act as whitening agent, respectively. This ingredient has been applied for patent no. P00200500738 by Prof. LInawati Hardjito as a researcher of Ocean Fresh.
The Crude extract contains flavonoid,proanthocyanidin and topoisomerase inhibitor. Proanthocyanidin is a potent antioxidant, showing activity 20 times of vitamin C or 50 times of vitamin E. in additional to natural colorant, Pemphis extract improves resistance to skin collagen damage due to UV rays, reduces the risk of getting skin cancer and effective against the formation of wrinkles.