






Retinal is a direct precursor to retinoic acid providing the same therapeutic benefits as retinoic acid while eliminating skin irritation. However, it is highly unstable in its pure form. Hydroxysomes® stabilizes retinal for use in topical formulations.
• 0.07-0.7% (equivalent to 0.01-0.1% retinal)
• Above 5.5
• Add to formula below 40°C and above pH 5.5 to ensure calcium encapsulation does not break.
• Best if used in thicker formulas to aid in suspension.
• Can be homogenized to disperse into formula
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