Retinol, Retinaldehyde and Retinoic Acid are all forms of topical Vitamin A that exert anti ageing effects on the skin. Retinoic Acid is the active metabolite that exerts these changes. Retinol and Retinaldehyde (also known as Retinal) are available over the counter. Retinoic Acid is on prescription i.e. tretinoin. . For retinol to work, it has to be converted to retinoic acid. But it first needs to be metabolised to retinaldehyde and then oxidised to retinoic acid. That’s 2 steps: retinol to re
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Dr Zayn on Instagram: "Retinol and retinal are both forms of vitamin A used to improve skin texture, acne, and signs of ageing. Retinol needs two conversion steps in the skin to become active (retinoic acid), making it gentler but slower. Retinal (retinaldehyde) only needs one conversion, so it works faster and is more potent but can be more irritating. That’s why retinal often delivers quicker results, while retinol suits more sensitive or beginner skin types #skincare #retinal #retinol"
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