Tetrahydropentagamavunon-0 (THPGV-0) is a curcumin metabolite analog which known has a higher antioxidant activity than Vitamin E. This compound has been formulated in lotion as antiaging cosmetics. but the irritation effect is unknown yet. This study aims to analyze the effect of variation of THPGV-0 concentration in lotion and emulgel formula toward acute dermal irritation. https://www.reesfrashers.shop/product-category/skateboards/