Dosage and Administration: Administered by intramuscular injection
Who Can Apply
(This explains why hydroquinone has long been used for melasma removal , where brown or gray-brown patches of skin appear on foreheads, cheeks, chins and bridge of the nose.) In smaller doses (of at most 2%), hydroquinone can be purchased over-the-counter but pigment removal products with at least 4% hydroquinone concentration (considered to be the most effective concentration), require a prescription from a skin care specialist
Lan, X., Sun, Z., Chu, C., Boltze, J., & Li, S
Li, F., Chen, H., Chen, D., Zhang, B., Shi, Q., He, X., Zhao, H., & Wang, F
Recommended Usage for Maximum Benefits To achieve optimal results with GHK-Cu cream: Apply to clean, dry skin once or twice daily