North Bay Dermatology
Associates
North Bay Dermatology
106 Lynch Creek Way, Ste 8
Petaluma, CA 94954
Phone: (707) 763-6816
Fax: (707) 763-1730
Obagi Medical
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Obagi System - Tretinoin Tretinoin Cream .05% |
| Description |
| Tretinoin Cream, USP (Emollient) 0.05% contains the active ingredient Tretinoin in a cream base. Tretinoin is a yellow-to-light-orange crystalline powder having a characteristic floral odor. Tretinoin is soluble in dimethylsulfoxide, slightly soluble in polyethylene glycol 400, octanol, and 100% ethanol. It is practically insoluble in water and mineral oil, and it is insoluble in glycerin. The chemical name for Tretinoin is (all-E)-3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclonexen-1-yl)-2,4,6,8-nonatetraenoic acid. Tretinoin is also referred to as all-trans-retinoic acid and has a molecular weight of 300.44. The structural formula is represented below. Tretinoin is available as Tretinoin Cream, USP (Emollient) at a concentration of 0.05% w/w in a water-in-oil emulsion formulation consisting of butylated hydroxytoluene, citric acid monohydrate, dimethicone 50 cs, edetate disodium, fragrance, hydroxyoctacosanyl hydroxystearate, light mineral oil, methoxy PEG-22/dodecyl glycol copolymer, methylparaben, PEG-45/dodecyl glycol copolymer, purified water, quaternium-15, stearoxytrimethylsilane and stearyl alcohol, and sorbitol solution. |
| Usage Instructions |
| Apply in a thin layer at night. A small amount goes a long way. * In the morning wash your face with a mild facial scrub or rough wash cloth. This will help reduce the noticeable flaking. * After washing, apply a good water-based moisturizer. |