Blemish-prone skin: the plants herbalists reach for

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Oily patches, blackheads and stubborn spots turn up most often on the face, chest and back, and most often around puberty. This page gathers the garden plants that herbalists and naturopaths have long turned to for skin of this kind: which part to use, in what form, how it tastes, and what should make you stop and think first.

Where the spots come from

• Puberty and hormone surges — the sebaceous glands produce their greatest amount of sebum during adolescence.
• Monthly hormonal shifts — some women notice flare-ups in the days before menstruation.
• Contraceptive changes — some hormonal contraceptives are associated with more stubborn spots, and some women see flare-ups after stopping them.
• Pregnancy and menopause — both can change how oily the skin runs.
• Adrenal or ovarian disorders — rare, and a matter for a doctor rather than a teapot.

Spots most often appear on the face and chest. In more marked cases they reach the neck, back and even the scalp.

What it is credited with

• Tea tree — traditional Australian use, carried into modern aromatherapy, credits the oil with antiseptic and antibacterial action; herbalists use it dabbed on individual spots to dry them out.
• Aloe vera — long-standing household use for irritated, grazed and reddened skin; naturopathy credits the fresh gel with soothing inflamed patches and supporting the skin’s own repair.
• Nettle — herbalists class it as a spring “cleansing” herb and recommend it for skin that runs oily, drunk as a cure over several weeks or applied on compresses.
• Lady’s mantle — known in European herbalism as the “woman’s herb”; it has a reputation for astringency and for easing skin complaints tied to the monthly cycle.
• Dandelion — naturopathy credits the leaf and root with supporting liver and kidney function, which is the traditional reasoning behind using it for congested, spot-prone skin.
• Burdock root — paired with dandelion in classic herbal “skin” decoctions for the same reason.
• Tomato — an old kitchen cosmetic, used as a fresh mask and reputed to leave pores looking cleaner and the complexion brighter.
• Lemon — traditionally used, well diluted, as a brightening rinse for oily skin.

How to use it

Tea tree essential oil

• Dilute a drop in a teaspoon of plain vegetable oil (jojoba, hazelnut) before it touches the skin.
• Dab on individual spots with a cotton bud, in the evening, after washing.
• Patch-test on the inner forearm and wait a day before using it on the face.

Aloe vera gel

• Cut a mature leaf at the base of a potted plant, slit it lengthways and press the halves to release the clear gel.
• Smooth a thin film over cleansed skin once a day and let it dry.
• Once cut, the leaf keeps about two weeks in the refrigerator, wrapped.

Nettle

• Infusion: a small handful of fresh young leaves, or a heaped teaspoon of dried leaf, per cup of just-boiled water; cover and steep ten minutes.
• Drink two cups a day as a spring cure of two to three weeks, then take a break.
• Compress: soak clean gauze in the cooled infusion and lay it over the affected area for ten minutes.
• Leaf capsules are the tidier option for anyone who dislikes the green, mineral taste.

Lady’s mantle

• Infusion: a generous teaspoon of dried aerial parts per cup, steeped a quarter of an hour, one to two cups a day.
• Decoction then infusion: simmer the dried plant a good twenty minutes in water, take off the heat and let it stand ten minutes more before straining.
• Fluid extract or mother tincture: follow the dilution printed on your bottle by the maker.
• The taste is dry and puckering; a little lemon balm in the pot softens it.

Dandelion

• Infusion: leaves and flowers steeped in hot water for half an hour, two to three cups a day.
• Home-made lotion: steep several handfuls of flowers in a litre (a quart) of boiling water for half an hour, strain, and use it morning and evening to cleanse the face. Keep it in the fridge and make it fresh every two days.
• Root decoction with burdock root: simmered together and drunk daily as a four-week cure, the classic herbal pairing for congested skin.
• Flower mask: steep a few flowers in boiling water for half an hour, let them cool, spread them over the face, leave a quarter of an hour and rinse. Twice a week.

Tomato and lemon

• Tomato: mash a very ripe fruit, spread on cleansed skin, leave ten minutes, rinse with cool water.
• Lemon: dilute the juice generously in water as a final rinse, never neat, and always at night.

Frequently Asked Questions

The one thing to remember: pick one gentle external preparation — aloe gel or a dandelion lotion — use it consistently for a few weeks, and patch-test before anything stronger.

Which plant should I start with tonight?

Fresh aloe gel is the easiest and the least likely to sting. Cut a leaf from a potted plant, press out the clear gel, and smooth a thin film over cleansed skin. It is bland, dries quickly, and the rest of the leaf keeps two weeks in the fridge.

Can I put tea tree oil straight on a spot?

No. Dilute one drop in a teaspoon of vegetable oil and dab it on with a cotton bud. Undiluted essential oil is a common cause of irritation, and it should never go near the eyes or be swallowed.

Do I have to drink the herbs, or is external use enough?

External use alone is the safer starting point, and lotions, compresses and masks are what most people reach for. Internal cures of nettle, dandelion or lady’s mantle belong to the herbalist’s tradition of working on liver and kidney function, and they come with real restrictions — pregnancy, breastfeeding, gallstones and ongoing medication among them.

When should I pick nettle and dandelion?

Take nettle tops from late winter to late spring, before the plant flowers, wearing gloves. Dandelion leaves are best in early spring, the flowers in mid-spring, and the roots in early to mid-autumn. Harvest well away from roadsides and paths.

Why does lemon come with a warning?

Lemon juice can make skin hypersensitive to sunlight, and that hypersensitivity can lead to skin lesions. Use it well diluted, at night only, rinse it off, and skip it entirely in strong sun or on already irritated skin.

This information is provided for general interest and reflects the traditional use of plants. It is not a substitute for medical advice. If you are on medication, pregnant, or in any doubt, ask a healthcare professional.