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Home > Anti-aging Research > Sunscreens

Sun Safety

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  • Diet rich in tomatoes cuts skin cancer in half in mice - Science Daily, 7/13/17 - "male mice fed a diet of 10 percent tomato powder daily for 35 weeks, then exposed to ultraviolet light, experienced, on average, a 50 percent decrease in skin cancer tumors compared to mice that ate no dehydrated tomato ... Lycopene, the primary carotenoid in tomatoes, has been shown to be the most effective antioxidant of these pigments"
  • Vitamin D may improve sunburn, according to new clinical trial - Science Daily, 7/6/17 - "Participants who consumed the highest doses of vitamin D had long-lasting benefits -- including less skin inflammation 48 hours after the burn. Participants with the highest blood levels of vitamin D also had less skin redness and a jump in gene activity related to skin barrier repair ... What we did not expect was that at a certain dose, vitamin D not only was capable of suppressing inflammation, it was also activating skin repair genes" - See vitamin D at Amazon.com.
  • Lutein, Zeaxanthin, and Skin Health - Medscape, 6/7/13 - "Results from cell culture and animal studies showing that lutein and zeaxanthin exhibit positive skin health benefits have considerable merit and suggest an avenue by which these carotenoids may function. The results from one human study demonstrate that orally administered lutein and zeaxanthin can inhibit lipid peroxidation on the surface of the skin and help bolster the skin's photoprotective activity, potentially protecting the skin from exposure to light, particularly UV light. Since the typical diet of people in the United States is about 2 mg of lutein per day, due to the ingestion of foods such as green leafy vegetables that contain the highest levels of diet-derived lutein and zeaxanthin,[15] it may be considered advisable to increase the daily intake of lutein and zeaxanthin for optimal skin health and photoprotection" - See Jarrow Formulas, CarotenALL at Amazon.com.
  • Taking omega-3 supplements may help prevent skin cancer, new study finds - Science Daily, 2/26/13 - "the study analysed the effect of taking omega-3 on 79 healthy volunteers ... taking a regular dose of fish oils boosted skin immunity to sunlight. Specifically, it also reduced sunlight-induced suppression of the immune system, known as immunosuppression, which affects the body's ability to fight skin cancer and infection ... it was the first time the research had been carried out on humans" - See Mega Twin EPA at Amazon.com and Jarrow Max DHA at Amazon.com.
  • Strawberry extract protects against UVA rays, study suggests - Science Daily, 8/3/12 - "The team prepared human skin cell cultures (fibroblasts) and added strawberry extract in different concentrations (0.05, 0.25 and 0.5 mg/ml), the only exception being the control extract. Using ultraviolet light, the samples were then exposed to a dose "equivalent to 90 minutes of midday summer sun in the French Riviera." ... the strawberry extract, especially at a concentration of 0.5 mg/ml, displays photoprotective properties in those fibroblasts exposed to UVA radiation, it increases cell survival and viability and decreases damage in the DNA when compared with control cells ... But what molecules give strawberries their photoprotective properties? Scientists suspect that it could be the anthocyanins, which are pigments that give leaves, flowers and fruits their red colour" - See Natural Factors, BlueRich Super Strength Blueberry Concentrate, 500 mg, 90 Softgels (yielding 2.5% anthocyanins) at iHerb.
  • Association of facial skin aging and vitamin D levels in middle-aged white women - Cancer Causes Control. 2010 Sep 30 - "Adjusting for age and season of blood collection, women with lower photodamage scores were associated with a 5-fold increased odds of being vitamin D insufficient (OR 5.0, 95% CI: 1.1, 23). Low scores for specific photodamage parameters including erythema/telangiectasias, hyperpigmentation, and wrinkling were also significantly associated with vitamin D insufficiency. Our results suggest an association between skin aging and 25(OH)D levels" - See vitamin D at Amazon.com.
  • Lycopene-rich tomato paste helps skin from within: Study - Nutra USA, 9/23/10
  • Pomegranate compounds show skin health potential - Nutra USA, 8/10/10 - "ellagic acid may prevent the degradation of collagen in human skin cells, which would maintain skin structure and slow the formation of wrinkles ... Topical or dietary interventions with berries and pomegranate rich in ellagic acid and ellagitannins are promising strategies in curtailing skin wrinkling and cutaneous inflammation associated with chronic UV exposure leading to photoageing" - [Abstract] - See pomegranate at Amazon.com.
  • Dietary compound ellagic acid alleviates skin wrinkle and inflammation induced by UV-B irradiation - Exp Dermatol. 2010 Aug;19(8):e182-90 - "Ellagic acid, a polyphenol compound present in berries and pomegranate, has received attention as an agent that may have potential bioactivities preventing chronic diseases ... These results demonstrate that ellagic acid prevented collagen destruction and inflammatory responses caused by UV-B. Therefore, dietary and pharmacological interventions with berries rich in ellagic acid may be promising treatment strategies interrupting skin wrinkle and inflammation associated with chronic UV exposure leading to photoageing" - See pomegranate at Amazon.com.
  • Clinical evidence of skin benefits of a dietary supplement containing probiotic and carotenoids on UV- induced damage - Br J Dermatol. 2010 Jun 9 - "Lactobacillus johnsonii (La1) ... dietary supplement (DS) combining La1 and nutritional doses of carotenoids ... A 10 week DS intake prevented the UV-DL induced decrease in Langerhans cell density and the increase in Factor XIIIa+ type I dermal dendrocytes while it reduced dermal inflammatory cells. Clinical and instrumental MED rose by 20% and 19% respectively, and skin colour was intensified, as shown by the increase in DeltaE parameter. The efficacy of DS was confirmed by dermatologists and subjects in real conditions of use. Conclusion: Nutritional supplementation combining a specific probiotic (la1) and nutritional doses of carotenoids reduced early UV-induced skin damage caused by simulated or natural sun exposure in a large panel of subjects (n=139). Altogether, these results support the use of this nutritional supplement for a global approach in photoprotection, in combination with a sunscreen" - See probiotic products at iHerband Jarrow Formulas, CarotenALL, Mixed Carotenoid Complex at Amazon.com.
  • Antioxidant Study Suggests Possibility of "Sunburn Pill" - Medscape, 12/11/09 - "The researchers theorize that people at increased risk for melanoma could take NAC as a "sunburn pill" before exposure to large amounts of sunlight. Such an approach, they add, could theoretically reduce a person's lifetime risk of melanoma and also minimize the problems associated with taking a daily medication" - See NAC products at iHerb.
  • New Role Of Vitamin C In Skin Protection; Relevance To The Cosmetics Industry - Science Daily, 9/8/09 - "a form of Vitamin C helped to promote wound healing and also helped protect the DNA damage of skin cells ... Previously, the group has published evidence that DNA repair is upregulated in people consuming vitamin C supplements ... The results demonstrated that vitamin C may improve wound healing by stimulating quiescent fibroblasts to divide and by promoting their migration into the wounded area. Vitamin C could also protect the skin by increasing the capacity of fibroblasts to repair potentially mutagenic DNA lesions ... Free radicals are associated with premature skin aging, and antioxidants, such as vitamin C, are known to counter these highly damaging compounds. This new evidence suggest that, in addition to ‘mopping up’ free radicals, vitamin C can help remove the DNA damage they form, if they get past the cell’s defences"
  • Inhibition of UVA and UVB radiation-induced lipid oxidation by quercetin - J Agric Food Chem. 2009 Jun 24;57(12):5301-5 - "Quercetin, which absorbs UV radiation at 255 and 365 nm, was determined to be a stronger inhibitor of lipid oxidation induced by UVB (3.7 radicals scavenged per molecule) than by lipid oxidation induced by UVA (1.9 radicals scavenged per molecule). The values for inhibition of UVB-induced lipid oxidation by quercetin are comparable to those when 2,2'-azobis(2-amidinopropane) was used as an oxidizing system (four radicals scavenged per molecule). The protective effect of quercetin appears to be mainly the result of scavenging of UV-generated radical species, although this may be decreased slightly in the UVA as a result of its absorption at 365 nm" - See quercetin products at iHerb.
  • LycoRed files patent for skin health science - Nutra USA, 11/7/08 - "According to LycoRed, subjects were supplemented by either Lyc-O-Mato capsules (10mg lycopene per day), or a placebo, for ten weeks. Following exposure to UV radiation at the end of the study, it was found that subjects in the tomato extract group had a sunburn cell count six times lower than in the placebo group. There was also evidence of reduced depletion of Langerhans cells, said the company" - See Jarrow Lyco-Sorb (contains Lyco-O-Mato) at Amazon.com.
  • Study supports lycopene protecting skin from within - Nutra USA, 4/29/08 - "Consuming lycopene-rich tomato paste may protect against sunburn and sun-induced skin ageing ... Skin samples taken from the subjects indicated that the tomato paste-supplemented individuals had higher skin levels of pro-collagen, a molecule which gives the skin its structure and loss of which leads to skin ageing and lack of elasticity" - See Jarrow Lyco-Sorb (contains Lyco-O-Mato) at Amazon.com.

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