SOLAQUIN™ SOLAQUIN FORTE™ ICN Hydroquinone Demelanizing Agent   Availability And Storage: Each g contains: hydroquinone USP 2% (Solaquin) or 4% (Solaquin Forte) in a vanishing, moisturizing sunscreen cream base, containing octyldimethyl PABA 5%, dioxybenzone 3% and oxybenzone 2%. Parabens-free. pH approximately 4. Tubes of 30 g.