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KMID : 0604519970230030039
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Journal of the Society of Cosmetic Scientists of Korea
1997 Volume.23 No. 3 p.39 ~ p.47
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WITH NON-INVASIVE METHODS
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Sun, B.K.
Lee, H.K./Cho, J.C./Kim, J.I.
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Abstract
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Retinol as well as RA (retinoic acid) is well known to have many beneficial effects on (photo)aged skin. But the skin irritation potential and unstable condition of the products containing them have been some problems in their cosmetic uses. So, retinol containing gel product (MDC gel) was developed for less skin irritancy and more stability in cosmetic products.
To examine the clinical effects of retinol containing product, we used clinical non-invasive assessment techniques on 40 volunteers for 6 months maintaining double-blind test conditions.
According to our results, the use of retinol containing product improved skin color and hydration level slightly. But there was no statistical differences. There was no erythema reaction compared to the use of RA. Especially, the skin elasticity increased above 20% and skin wrinkles of crows´ feet region decreased more than 10%.. Besides the instrumental analysis, a large majority of volunteers felt that their skin were improved in the case of wrinkles, elasticity, hydration and color.
From these study, we suggest retinol for a new anti-aging material with safety and real effects.
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