No7 Protect & Perfect Intense ADVANCED Serum 30ml

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We have better news regarding the three magic abilities of vitamin C: there is in-vivo (tested on real people) data showing that SAP does have photo-protective (aka antioxidant) properties, though less than pure AA. SAP might also aid collagen boosting;in-vitro (made in the lab) data shows that it works, but is less effective than another vitamin C derivative, called MAP (that seems to be as effective as pure AA). As for skin-brightening, there is a trade publication with in-vivo data showing that SAP can fade brown spots. The moisturizer also has a strong floral fragrance, which makes using it each morning feel like a treat, but some may find it overpowering.

Collagen Peptide Based Technology Matrixyl 3000+™ - Our next generation of age-defying complex. This cream targets the appearance of fine lines and wrinkles for visibly younger-looking skin.

Pharmacy product

This ENHANCED formula works night after night for visibly younger looking skin, scientifically proven to provide 24-hour moisturisation. Ginseng Extract - fights the look of tiredness and fatigue, leaving skin feeling instantly energised.

As we wrote in our lengthy retinol description the problem is that the conversion is not terriblyeffective. The evidence that RP is still an effective anti-aging ingredient is not very strong, in fact, it's weak. Dr. Leslie Baumann in her fantastic Cosmetic Dermatologybook writes that RP is topically ineffective.

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No7 Protect & Perfect Intense ADVANCED serum is clinically proven to visibly reduce the appearance of fine lines and wrinkles, with results that get even better over time. 84% of women* saw better age defying results when using the complete regime. Another thing SAP might be able to do is to help with acne. A 2005 study showed in vitro (in test tubes) that 1% SAP has a strong antimicrobial activity on evil acne causing P. acnes and it also showed in vivo (on real people) that 5% SAP can strongly improvethe inflammatory and non-inflammatory lesions of acne vulgaris. In fact, the results were comparable or even slightly better than with 5% benzoyl peroxide. What's more, the anti-aging effectiveness is not the only questionable thing about RP. It also exibits questionable behaviour in the presence of UV light and was the center of a debate between the non-profit group, EWG (whose intentions are no doubt good, but its credibility is often questioned by scientists) and a group of scientists and dermatologists lead bySteven Q. Wang, MD, director of dermatologic surgery at Memorial-Sloan Kettering Cancer Centre.