‘Retinol’ is a term used widely in manufacturer’s names and promotions for anti ageing skin care creams. Such creams most commonly contain retinyl palmitate. This should under catalytic process of enzyme reactions once applied the skin, to convert into the skin’s active form of vitamin A, trans-retinoic acid (1). Let’s just say Retinol is marketed miricale product:

Rough and ready guide to skin smoothing mechanism

The deeper layers of dermis (skin) contain collagen, substance which allows the skin to maintain it shape and elastin, which allows skin it degrees of quite literally, elasticity. Production of elastin stops after puberty, hence some of the effects of ‘age’ on skin. When the creams are applied, the skin reacts by producing more cells and more collagen, meaning cells seem fuller and rounder. The new cell production moves older cells to outer layers of skin where they are exfoliated. This creates the much vaunted effects of creams, to make skin seem smoo9ther and more radiant (as new cells are less pigmented by UV rays).

Interestingly enough, the concentration of retinol in creams seems to influence their effect. A fascinating sample by national UK newspaper The Daily Mirror in 2007 (2) found that many manufacturers were shy to disclose exactly how much was in product, or in what form.

Remember, the mechanism at work is conversion of product’s active ingredient to retinoic acid. Creams which contain retinoic acid itself are classed as pharmaceuticals, because have significant, demonstrable effects on skin – effectively making them medicine. So retinoic acid creams are only allowed to prescribed – meaning the beauty industry can’t use creams.

Instead, forms such as retinyl palmatate are used instead which convert to much smaller amounts of retinoic acid in the skin.  This has advantages and disadvantages for the consumer. Whilst the effect is less potent than prescribed creams, the products are likely to be better tolerated. The prescribed creams can sometimes lead to adverse reactions such as dry, red & flaky skin in susceptible individuals.

Photosentivity increased & those with sentitive skin:

Retinol over the counter creams leave skin more sensitive to sunlight (3), so sunscreens should always be used even in climates where the sun may seem weak or non-existent some days! Those with sensitive skin are probably best advised to consult a professional before trying it. Pharmaceutical chain Boot’s suggest using their retinol creams by building up the number of times they are used first (2). Always consult a professional qualified doctor for health concerns.


Giselle Mir states she qualified as Cosmetic Scientist before founding her own cosmetic company having become disillusioned with misleading cosmetic industry product claims. Mir has publicly stated creams containing retinol essentially irritate the skin, leading to moisture loss from the top layer and premature aging (4).



IMPORTANT DISCLAIMER: NONE of the above advice can be a substitute for medical or professional skin care advice – please only consult qualified general medical and/ or dermatology physicians for serious skin complaints. The information is not sponsored by manufacturers here but may reflect their claims and this site cannot be held responsible for such claims made.

RS Brown


1. Draelos, Z.D.D. (2006). Cosmetic Formulation of Skincare Products: 30 (Cosmetic Science and Technology). Informa Healthcare.

2. Daily Mirror Retinol (2007).Retinol: Is It Really A Miracle Cream?. [online]. Daily Mirror. Available at:


3. Food and Drug Administration. (2008)  Photocytotoxicity of Retinol and Retinyl Acetate. [online]. FDA. Available at:


4. Mir, G. [undated]. Anti ageing and sun care. [online] Mir. Available at:


Photo Credits

1. http://www.sxc.hu/profile/Egahen

2. http://www.loosha.nl

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