Grade: A (Strong Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Vitamin D	Psoriasis
Grade: B (Good Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Aloe	Psoriasis vulgaris
Evening primrose oil	Eczema (children and adults)
Podophyllum	Warts (genital warts, plantar warts)
Grade: C (Unclear or Conflicting Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Agrimony	Cutaneous disorders
Avocado	Psoriasis
Biotin	Brittle fingernails
Birch	Actinic keratosis
Black tea	Oral leukoplakia/ carcinoma
Borage seed oil	Atopic dermatitis
Butterbur	Allergic skin disease
Calendula	Skin inflammation
Chamomile	Eczema
Chondroitin sulfate	Psoriasis
Date palm	Skin aging (wrinkles)
DHEA	Psoriasis
Euphorbia	Eczema
Evening primrose oil	Scale-like dry skin (ichthyosis vulgaris)
Folate	Vitiligo
Gamma linolenic acid	Atopic dermatitis
Gamma oryzanol	Skin conditions
Ginkgo	Vitiligo
Grape seed	Melasma (chloasma)
Grapefruit	Atopic eczema
Honey	Dermatitis (dandruff)
Jewelweed	Contact dermatitis (Poison ivy/oak skin rash)
Khella	Psoriasis
Licorice	Atopic dermatitis
Marshmallow	Inflammatory skin conditions (eczema, psoriasis)
Neem	Psoriasis vulgaris
Omega-3 fatty acids, fish oil, alpha-linolenic acid	Eczema
Podophyllum	Leukoplakia (HIV-related)
Polypodium leucotomos extract and anapsos	Atopic dermatitis (eczema)
Pycnogenol	Melasma (chloasma)
Rutin	Skin conditions
Safflower	Skin conditions (phrynoderma)
Sea buckthorn	Atopic dermatitis (skin rash)
Selenium	Psoriasis
Shark cartilage	Psoriasis
St. John's wort	Atopic dermatitis
Tea tree oil	Allergic skin reactions
Thyme	Inflammatory skin disorders
Thymus extract	Eczema
Uva ursi	Hyperpigmentation
Vitamin A	Skin aging (improving aging skin appearance)
Vitamin C	Skin damage caused by the sun (UVA-induced)
Vitamin D	Skin pigmentation disorders (pigmented lesions)
Zinc	Diaper rash
Grade: D (Fair Negative Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Beta-carotene	Birthmark/mole (dysplastic nevi) prevention
Boron	Psoriasis (boric acid ointment)
Evening primrose oil	Psoriasis
Lavender	Eczema
Traditional or Theoretical Uses which Lack Sufficient Evidence
Therapy	Specific therapeutic Use(s)
Acacia	Astringent
Acerola	Skin conditions
Aconite	Rash
Adrenal extract	Eczema
African wild potato	Psoriasis (skin disease)
Agrimony	Astringent
Alizarin	Eczema
Alkanna	Astringent
Aloe	Lichen planus
Alpinia	Skin disorders
American pennyroyal	Skin ailments (itching
Anise	Psoriasis (chronic skin disease)
Aortic acid	Skin conditions (cutaneous necrotizing venulitis)
Apple cider vinegar	Eczema
Apricot	Psoriasis
Arnica	Corns
Ashwagandha	Astringent
Astragalus	Dermatitis
Avocado	Dermatitis
Bael fruit	Astringent
Barberry	Psoriasis
Bay leaf	Astringent
Bee pollen	Eczema
Belladonna	Rash
Bellis perennis	Astringent
Beta-glucan	Dermatitis
Betel nut	Dermatitis (used on the skin)
Betony	Astringent
Bilberry	Dermatitis
Biotin	Seborrheic dermatitis
Bitter almond	Psoriasis
Bitter melon	Psoriasis
Black currant	Atopic dermatitis
Black horehound	Astringent
Blackberry	Astringent
Blessed thistle	Astringent
Bloodroot	Eczema
Blue flag	Astringent
Boneset	Astringent
Boron	Diaper rash (avoid due to case reports of death in infants from absorbing boron through skin or when taken by mouth)
Boswellia	Astringent
Bovine colostrum	Skin conditions
Buchu	Astringent
Bulbous buttercup	Blisters (skin)
Burdock	Eczema
Calamus	Skin diseases
Calcium	Psoriasis
Calendula	Diaper rash
California jimson weed	Skin irritation
Cardamom	Allergic skin reactions (contact dermatitis)
Cat's claw	Atopic dermatitis
Chamomile	Contact dermatitis
Chaparral	Actinic keratosis
Chia	Skin conditions
Chickweed	Eczema
Chromium	Psoriasis
Cinnamon	Dermatitis
Clay	Skin fairness
Cleavers	Skin eruptions
Coleus	Atopic dermatitis
Colloidal silver	Dermatitis
Comfrey	Dermatitis
Copper	Psoriasis
Cordyceps	Mucilage
Couch grass	Chronic skin disorders
Cramp bark	Astringent
Dandelion	Age spots
Danshen	Eczema
Dong quai	Dermatitis
Eastern hemlock	Astringent
Echinacea	Eczema
Elder	Astringent
Elecampane	Skin conditions
Emu oil	Dermatitis
English ivy	Skin conditions (calluses)
Eucalyptus oil	Astringent
Euphorbia	Skin conditions
Evening primrose oil	Skin conditions due to kidney failure in dialysis patients
Eyebright	Astringent
Fenugreek	Dermatitis
Feverfew	Rash
Flaxseed and flaxseed oil	Eczema
Fo-ti	Dermatitis
Gamma oryzanol	Atopic dermatitis
Garlic	Psoriasis
Germanium	Corns
Ginger	Psoriasis (applied to the skin)
Ginkgo	Dermatitis
Globe artichoke	Eczema
Glucosamine	Psoriasis
Goldenrod	Astringent
Goldenseal	Eczema
Gotu kola	Eczema
Grape seed	Astringent
Green tea	Astringent
Ground ivy	Astringent
Guarana	Astringent
Guggul	Psoriasis
Gumweed	Rash
Hawthorn	Astringent
Holy basil	Eczema
Honey	Atopic dermatitis
Hops	Atopic dermatitis
Horse chestnut	Skin conditions
Horseradish	Skin conditions (rubefacient)
Horsetail	Astringent
Jewelweed	Nettle rash
Jojoba	Skin disorders (dry skin)
Juniper	Astringent (leaves)
Katuka	Vitiligo (loss of skin pigment)
Kinetin	Skin aging
Kudzu	Psoriasis (chronic skin disease)
Labrador tea	Skin problems
Lactobacillus acidophilus	Diaper rash
Ladies mantle	Astringent
Lady's slipper	Astringent
Lemon balm	Skin irritations
Lemongrass	Astringent
Licorice	Eczema
Lime	Astringent
Lotus	Astringent
Lovage	Skin conditions
Lutein	Skin conditions
Mangosteen	Eczema
Marshmallow	Dermatitis (topical)
Mastic	Astringent
Meadowsweet	Astringent
Melatonin	Hyperpigmentation
Mistletoe	Skin conditions
Morus nigra	Astringent
MSM	Skin conditions (stretch marks)
Mullein	Astringent
Myrcia	Astringent
Neem	Astringent
Niacin	Kava-related skin disorders
Noni	Chemical sensitivities
Nopal	Astringent
Oleander	Corns
Olive leaf	Impetigo (pus-filled blisters)
Omega-3 fatty acids, fish oil, alpha-linolenic acid	Ichthyosis (skin disorder)
Oregano	Psoriasis
Pantothenic acid	Dermatoses (topical dexpanthenol)
Passion flower	Skin inflammation
Peppermint	Urticaria (hives)
Perilla	Atopic dermatitis
Pokeweed	Skin ailments (sycosis)
Polypodium leucotomos extract and anapsos	Vitiligo (loss of pigment in the skin)
Pomegranate	Astringent
Propolis	Dermatitis
Psyllium	Blisters
Pycnogenol	Psoriasis
Quercetin	Eczema
Raspberry	Astringent
Red clover	Chronic skin diseases
Rehmannia	Eczema (dry skin)
Resveratrol	Skin disorders
Rhubarb	Astringent
Riboflavin	Dermatitis
Rooibos	Allergic dermatitis
Rosemary	Skin conditions (excessive oil secretion of the skin
Saccharomyces boulardii	Seborrheic dermatitis (inflamed skin)
Scotch broom	Astringent
Sea buckthorn	Astringent
Seaweed, kelp, bladderwrack	Eczema
Selenium	Dermatitis herpetiformis
Shark cartilage	Allergic skin rashes
Slippery elm	Eruptions
Spirulina	Skin disorders
Spleen extract	Dermatitis herpetiformis
Squill	Seborrhea
Stinging nettle	Astringent
Sweet almond	Skin moisturizer
Tamanu	Age spots
Tamarind	Astringent
Tea tree oil	Corns
Thyme	Dermatitis
Thymus extract	Atopic dermatitis
Tribulus	Astringent
Tylophora	Dermatitis
Uva ursi	Astringent
Valerian	Skin disorders
Vitamin A	Eczema
Vitamin B12	Seborrheic dermatitis
Vitamin C	Dermatitis
Vitamin D	Actinic keratosis
Vitamin E	Aging skin
Watercress	Eczema
Wheatgrass	Chronic skin disorders
White horehound	Skin conditions
White oak	Astringent
White water lily	Dermatitis
Wild yam	Rash
Yarrow	Eczema
Yellow dock	Inflammatory skin disorders (eczema
Yew	Astringent
Zinc	Acrodermatitis enteropathica