Beta carotene from the yellow/orange/red fruits/vegetables provide photo-protection.  Apricots have more than carrots!  2 pounds of carrots juiced daily will provide good protection if taken prior to sun exposure.
Beta carotene (non-toxic pro-vitamin A) found in carrots, spinach, sweet potatoes, broccoli, cantaloupe, apricots, pumpkin, mangoes, papaya, lettuce, tomatoes, peaches, brussels sprouts, cabbage, oranges, yams (show in order of vitamin A units) can help protect against radiation, atherosclerosis and inflammation per James E O'Brien in mini magazine The Miracle of Nature's Healing Foods published by Globe Communications Corp.
Central American fern extract Polypodium leucotomos (PL or PLE) is available as Heliocare capsule OTC.  It reduces UV light damage by 3X and may reduce skin cancer, Porphyria, plus help XP per 12/04  American Academy of Dermatology 
Heliocare has been sold for 30 years in Spain and Portugal with no reported negative side effects.  May need to take 1 pill every 3 hours in heavy sunlight, as most sunburn products wear off in 3 hours.  5/30/2006
GlidSODin, a trademark name, containing SOD (super-oxide dismutase enzymes) and catalase from melons, may protect against sunburn.  Supplement may contain fillers of wheat, soy, corn or gluten. 6/5/05  8/05
Hawaiian Haematoccus pluviallis micro-algae produces astaxanthin to protect itself against UV.  Now available as supplements.
Life Extension markets a sunscreen for (full spectrum) both UVA and UVB rays.
Polypodium leucotomos fern extract as a supplement or topical sunscreen BOTH help to prevent sun damage according to Dr Salvador Gonzalex, Malaga, Spain. 7/2008
Vitamin E is a sunscreen per David C Salter PhD of Xienta Institute for Skin Research, Bernville, Pennsylvania, USA says Rodale in The Prevention Total Health System - Everyday Health Hints
Zinc oxide often is the active ingredient of all-natural sunscreens.  5/3/05WallStJournal
Zinc oxide may be produced with microfine particles to appear invisible rather than (the traditional) white (ointment which stains clothes).  FDA classifies microfine zinc oxide, octinoxate (octyl methoxycinnamate) and oxybenzone as Category I sunscreens good for X-ray technicians with protection against UV-B waves.  Zinc oxide may help release of insulin-like growth factor and promotes wound healing.  Topical octinoxate, oxybenzone and titanium dioxide may protect the DNA. Titanium dioxide may protect against both UV-A and UV-B radiation.  Topical application of herbs (green tea, milk thistle, grape seed, turmeric root, licorice root and rosemary) may prevent skin inflammation, DNA damage, aging and cancer. 6/05


a - DANGER The active ingredient of conventional sunscreens is often octyl-methoxycinnamate, which when absorbed into the skin, mimics estrogen and may trigger abnormal developments.
b - UV-A rays cause skin aging and wrinkles.  UV-B rays cause skin cancer and cataracts. Both cause tans or burns.  5/3/05WallStJournal
Xeroderma pigmentosum (XP) is a rare genetic DNA defect in repair mechanisms characterized by severe sensitivity to all UV light especially sunlight leading to blistering, freckling, cancer, neurological deterioration.  USA David Busch MD can diagnose 1-202-782-2849 Call XP society for other countries




Also see   skin_cancer.htm    skin_disease.htm    skin_disorder.htm    skin_problems.htm