
Castor Oil
A Strong clinical evidenceRicinus communis
A strong, fast-acting laxative with well-known efficacy for short-term constipation. Do not use it on your own to start labour.
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Natural remedies used on or for the skin, minor wounds, acne and hair care. Products for external use only are clearly marked.
24 herbs · 7 with clinical evidence (A/B) · 9 not marked avoid in pregnancy

Ricinus communis
A strong, fast-acting laxative with well-known efficacy for short-term constipation. Do not use it on your own to start labour.

Echinacea purpurea
Juice pressed from fresh echinacea plants may help with short-term prevention and treatment of colds. Dried echinacea tea is not covered.

Aesculus hippocastanum
Standardised horse chestnut seed extract may help chronic venous insufficiency with swollen, heavy, aching legs; never eat raw conkers.

Nigella sativa
Oil pressed from black seed. Small studies saw modest falls in blood sugar and cholesterol and limited benefit in asthma.

Cocos nucifera
An effective skin moisturiser; small studies found it helpful for children's atopic dermatitis. As a food fat, it is very high in saturated fat.

Rosa damascena
Distilled from Damask roses, one of the world's most precious essential oils. Small aromatherapy studies suggest it may help ease anxiety.

Prunus dulcis
Cold-pressed oil from sweet almonds. An effective emollient for dry, itchy skin; its effect on preventing stretch marks is inconsistent.

Anemone spp.
A flower marketed in cosmetics as "anti-wrinkle". No independent study shows the effect, and the fresh plant is poisonous.

Plantago major
Broadleaf plantain is traditionally used as a tea for mouth and throat irritation and dry cough, and as a fresh leaf on minor skin wounds.

Calendula officinalis
Calendula flower is traditionally used for minor skin inflammation such as sunburn, as an aid to heal minor wounds and as a mouth gargle.

Matricaria recutita
A gentle herbal tea traditionally used for bloating and mild stomach cramps, common cold symptoms and mouth or throat irritation.

Trigonella foenum-graecum
Fenugreek seed is traditionally used before meals for temporary loss of appetite and as a poultice for minor skin inflammation.

Equisetum arvense
Horsetail is traditionally used to increase urine flow in minor urinary complaints and, on the skin, to support healing of superficial wounds.

Rosa damascena
The fragrant water left from distilling Isparta roses. Traditionally used as a skin cleanser and toner; food-grade rose water also flavours desserts.

Pistacia lentiscus
Mastic gum is a natural resin traditionally taken by mouth for mild indigestion and used on the skin for minor inflammation and small wounds.

Plantago lanceolata
Ribwort plantain leaf is traditionally used for throat irritation with dry cough, for cough with a cold and for minor skin inflammation.

Salvia officinalis
Sage leaf is traditionally used as a gargle for mouth and throat inflammation, for mild indigestion and for excessive sweating.

Hypericum perforatum
St John's wort oil (an oil macerate) is applied to the skin for minor inflammation such as sunburn and to help heal small wounds.

Melaleuca alternifolia
Tea tree oil is used on the skin only for small wounds, insect bites, small spots and mild athlete's foot itching; it must not be swallowed.

Pistacia terebinthus
A traditional soap from South-East Anatolia made with terebinth fruit oil. Used to wash hair and skin; no healing effect has been shown.

Hamamelis virginiana
Witch hazel leaf is used on the skin for minor inflammation and dryness, for haemorrhoid itching and burning, and as a mouth gargle.

Achillea millefolium
Yarrow tea is traditionally used for loss of appetite, bloating and wind, mild period cramps and, on the skin, small superficial wounds.

Argania spinosa
An oil from the kernels of the Moroccan argan tree, rich in vitamin E and unsaturated fatty acids. Used to moisturise skin and hair.

Montmorillonite / Illite (mineral)
A clay used in face masks to absorb oil and dirt. Drinking it is not recommended: it can contain heavy metals such as lead and arsenic.