Hello, according to your understanding, 1,3-
Propanediol or
Fractionated Coconut Oil in the formula for use as a dissolving agent.
Activated Resorcinol is correct, but due to the complete solubility of some substances If it dissolves too completely will reduce the absorption into the skin, so this technique is a technique that helps to improve the absorption of some substances, including
Activated Resorcinol is more absorbed into the skin. is a semi-dissolution (There is a small amount of solvent in the formula. and do not directly dissolve the active ingredient but mix them together in different phases) This will help the flux of the substance enter the skin with a higher value, but if members do not use 1,3-
Propanediol or
Fractionated Coconut Oil in the formula beyond the flux to push the substance into the skin. will not happen because there is no melting