Skin Cell Turnover
As the largest and forever growing organ in your body, skin has the ability to renew itself regularly. Skin cell turnover is a repetitive process where the living cells from the lowest epidermis layer gradually moving up to the top layer of the skin. Then these skin cells die and shed off, revealing more radiant, younger-looking skin underneath.
Skin Renewal Process According To Age Group
The skin cell turnover rate varies individually and age plays a major role. In babies, the skin renews itself every 14 days. In teenagers, this process takes about 28 days. In adults, it takes between 28 and 42 days. In those age 50 and older, the skin renewal process can take up to 84 days. With age, it takes longer for your skin to repair and replace damaged cells, causing dead skin cells to build up on the skin's surface and complexion to look dull and tired.
Daily exfoliation helps boost skin cell renewal
Regular daily exfoliation is the key to a youthful, radiant complexion. It removes dead skin cells, boosts cellular turnover and reduces the signs of ageing. Daily exfoliation stimulates skin renewal, hence the damaged cells will be replaced with new, fresher cells faster.
Skincare Ingredients which speed up skin renewal
Studies showed that these following skincare ingredients improve the skin's ability to renew itself and repair damages:
- Niacinamide (vitamin B3) boosts skin cell renewal by significantly increasing the production of collagen, elastin and other proteins in the skin. It also helps soothe and protect the skin from photoageing.
- Alpha hydroxy acids (AHAs) stimulate skin cell regeneration by exfoliating and removing dead skin cells. Glycolic acid, lactic acid, citric acid, malic acid and tartaric acid are the most commonly used AHAs in skincare products.
- Salicylic acid which is also known as beta hydroxy acid (BHA) accelerates skin cell renewal and reduces the sebum secretion. It is best for blemish-prone, oily skin.
- N-acetyl glucosamine speeds up the skin renewal process by dramatically increasing the production of skin's hyaluronic acid and collagen. It also gently peels off dead skin cells and diminishes the appearance of wrinkles, fine lines, dark spots and other signs of ageing. It is best for sensitive skin.
How To Boost Skin Cell Renewal
It is crucial for every adult to have a healthy skin renewal rate which the skin renews itself every 28 to 42 days. If your skin suffers from lack of radiance, uneven skin tone or visible signs of ageing, follow these following steps to boost skin cell renewal and transform the appearance of your skin in as fast as few days.
1. Exfoliate daily
Choose a non-abrasive exfoliating formula like Night Repair Skin Cell Renewal Booster which has been formulated with 5 alpha hydroxy acids: glycolic acid, lactic acid, citric acid, manic acid and tartaric acid. For best results, use Night Repair Skin Cell Renewal Booster as a pre-serum to optimise skin renewal, remove dead skin cells and bring back the radiant glow.
2. Apply a serum which has the optimum concentration of n-acetyl glucosamine and niacinamide all over the face every morning and evening
Rose Royale Supreme Anti-Ageing Serum is a super potent, ultra-concentrated serum with 24 karat gold, niacinamide and n-acetyl glucosamine to restore, renew and protect the skin from all ageing factors. Backed by 25 years of intensive research and innovation, this renewal boosting serum is further infused with royal jelly, hyaluronic acid and marine collagen peptides to lift and firm up the skin while also improve density and elasticity. With regular daily use, the appearance of wrinkles, lines, dark spots and pores are visibly reduced.
Author:
Henry Tianus is a multi-award-winning Anti-Ageing Scientist with 25 years experience in skincare research and product development. Henry Tianus's articles have been read by people in more than 100 countries with USA and UK at the top of the list. Join Henry Tianus eNewsletter to receive the latest health and wellbeing tips.
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Scientific Sources: (1) Reduction in the appearance of facial hyperpigmentation after use of moisturizers with a combination of topical niacinamide and N-acetyl glucosamine: results of a randomized, double-blind, vehicle-controlled trial, The British Journal of Dermatology, 2010 Feb 1, 162(2), Pages 435-441. (2) Niacinamide: a B vitamin that improves aging facial skin appearance, Dermatologic Surgery, 2005 Jul, 31 (7 Pt 2), Pages 860-865. (3) Topical niacinamide reduces yellowing, wrinkling, red blotchiness, and hyperpigmented spots in aging facial skin, International Journal of Cosmetic Science, 2004 Oct, 26(5), Pages 231-238. (4) The effect of niacinamide on reducing cutaneous pigmentation and suppression of melanosome transfer, The British Journal of Dermatology, 2002 Jul, 147(1), Pages 20-31. (5) Reduction in the appearance of facial hyperpigmentation by topical N-acetyl glucosamine, Journal of Cosmetic Dermatology, 2007 Mar, 6(1): 20-6. (6) The effect of N-acetyl-glucosamine on stratum corneum desquamation and water content in human skin, Journal of Cosmetic Science, 2009 Jul-Aug, 60(4): 423-8. (7) Topical n-acetyl glucosamine provides fast acne-reducing benefits and mildness demonstrating its potential utility in enhancing conventional Rx or OTC acne treatments, Journal of the American Academy of Dermatology, February 2007, Volume 56, Issue 2, Supplement 2, Page AB19. (8) Oral N-acetylglucosamine supplementation improves skin conditions of female volunteers: Clinical evaluation by a microscopie three-dimensional skin surface analyzer, Journal of Applied Cosmetology 20, 143-152, April/June 2002. (9) A Firming Neck Cream Containing N-Acetyl Glucosamine Significantly Improves Signs of Aging on the Challenging Neck and Décolletage, Joel Schlessinger, MD1 and Barbara Green, RPh, MS2 and Brenda L. Edison, BA2 and Lynn Murphy, MA2 and Yamini Sabherwal, PhD. (10) Differential metabolic effects of glucosamine and N-acetyl glucosamine in human articular chondrocytes, Osteoarthritis and Cartilage, 2009 Aug, 17(8): 1022–1028. (11) N-acetyl glucosamine reduces inflammatory response during acute peritonitis in uremic rats, Blood Purification, 2006, 24(3): 274-81. (12) Genomic expression changes induced by topical N-acetyl glucosamine in skin equivalent cultures in vitro, Journal of Cosmetic Dermatology, 2007 Dec, 6(4): 232-8. (13) Cosmeceuticals for Hyperpigmentation: What is Available?, Journal of Cutaneous and Aesthetic Surgery, 2013 Jan-Mar, 6(1): 4–11.
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