11. It is formally a derivative of p-hydroquinone . 12. Hydroquinone is ineffective for hyperpigmentation affecting deeper layers of skin such as the dermis.13. These reductant, for example hydroquinone or formalin. 14. This application exploits the antioxidant properties of hydroquinone . 15. The FDA has classified hydroquinone currently as a safe product, as currently used. 16. It is recommended that individuals with this disorder stop using hydroquinone -containing compounds. 17. It is 25 times better than hydroquinone at 60 �C for polymerization inhibitory effect. 18. In the United States, topical treatments usually contain up to 2 % in hydroquinone . 19. When subjected to a reducing agent, usually hydroquinone , it forms black elementary silver. 20. Another potentially overlooked aspect of using chemicals that contain hydroquinone and kojic acid is sanitation.
