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Cosmetics is a science with deep roots in nature that, through research and innovation, finds new ways to deliver well-being through the skin. Adaptogens are plant-based substances such as ginseng, maca and ginger that help the body respond to physical, emotional or environmental stress factors.
Many of us have already used adaptogenic ingredients without knowing it. Used for centuries in Chinese medicine and Ayurvedic tradition, they are now enjoying a surge in popularity, and cosmetic science has also begun studying their benefits for the skin.
What are adaptogens?
Adaptogens are plants that help the body modulate its response to stress. They are called this because they adapt to what the body needs, providing a regulatory function.
The term was coined in 1947 by Soviet pharmacologist N.V. Lazarev to describe substances capable not only of regulating the stress response, but also of being tolerated during prolonged use. From the 1940s onward, thousands of studies on adaptogens were conducted, particularly in the Soviet Union, Korea and China.
Research has shown, for example, that rhodiola (also known as arctic root) reduces the perception of fatigue in humans, while eleuthero (Siberian ginseng) has long been studied for its tonic action.
Adaptogens are generally plants or fungi that grow in hostile environments — deserts, high altitudes and difficult terrain — and have developed a remarkable ability to adapt. They are among the most resilient organisms in nature.
Why stress shows on the skin
Stress and anxiety can worsen inflammatory skin conditions such as acne, rosacea, psoriasis and eczema. High levels of cortisol affect the immune system and promote an inflammatory state that can aggravate existing conditions.
Adaptogens are thought to interact with the stress response system, which includes the hypothalamic-pituitary-adrenal (HPA) axis, involved in the release of cortisol. By helping to balance cortisol levels, they may help limit excessive spikes and chronic increases.
This is the field of neurocosmetics, which studies the dialogue between the nervous system and the skin. Environmental factors also play a role: UV rays, pollution, blue light and smoke.
An important clarification: a cosmetic product containing adaptogenic actives can improve the appearance and comfort of the skin and help it respond better to environmental stressors. It does not treat acne, eczema, psoriasis or rosacea, which are medical conditions requiring dermatological care.
The benefits of adaptogenic ingredients
Adaptogens used in cosmetics work on two timescales: in the short term, they help the skin return to a balanced state after exposure to stress; in the long term, they help protect it from cumulative effects, including signs of skin aging.
The two main mechanisms are antioxidant and soothing action.
Antioxidant action
- Protection from free radicals: UV rays, pollution and stress promote their production in the skin. Antioxidants neutralize them, limiting oxidative stress that damages skin cells and accelerates premature aging.
- Collagen support: antioxidants such as vitamin C participate in collagen synthesis, the protein that gives skin structure and elasticity.
- More even skin tone: some antioxidants, such as vitamin E and niacinamide, help reduce the appearance of dark spots by acting on melanin transfer.
Soothing action
- Reduced irritation: soothing actives help lessen redness, itching and the sensation of heat.
- Support for blemish-prone skin: persistent inflammation can contribute to the appearance of blemishes; soothing actives help keep the skin more balanced.
- After sun exposure: extracts such as chamomile and calendula help calm the sensation of overheated skin.
- Maintaining the barrier function: inflammation can compromise the skin barrier, causing dryness and sensitivity. Soothing actives help preserve it.
Adaptogens used in cosmetics include turmeric, which is rich in curcumin and helps reduce redness and improve skin radiance. The list is long — from ashwagandha to rhodiola, from goji berries to medicinal mushrooms — but the most effective ingredients in formulations are often molecules such as ceramides, niacinamide and peptides.
The best adaptogenic ingredients
The primary goal of adaptogenic skincare is to strengthen the skin barrier. Products must address the demands of modern life — climate change and ongoing stress — by drawing on highly resilient plants.
Niacinamide (vitamin B3)
A powerful, revitalizing antioxidant that helps protect cellular energy and counteract the effects of UV exposure. It increases the production of ceramides, the lipids that keep the barrier healthy and resilient, and has a brightening effect because it reduces melanin transfer to keratinocytes. The complete guide can be found in the article dedicated to niacinamide.
Kudzu and Pueraria Lobata
Kudzu is the source of Pueraria Lobata, an extract that supports the elements involved in synthesizing skin structure. It stimulates cell renewal, improving the appearance of fine lines, and is particularly suitable during postmenopause because of its high content of isoflavones. It also has a soothing effect that provides relief to red and sensitive skin.
Tephrosia Purpurea
Among the adaptogens selected by LeLang is the extract of Tephrosia Purpurea seeds, an Indian plant that grows in remote areas and has been used in Ayurvedic tradition. The extract is used as a neurocosmetic ingredient: according to the manufacturer's tests, it reduces cortisol production in the skin while promoting the release of beta-endorphins, creating a perceived feeling of well-being.

How to choose products
When selecting an adaptogen-based product, consider the whole picture: the ingredients, the formulation and, above all, your skin's needs. Rely on well-documented ingredients, check the INCI list and the position of the actives, and consider the presence of fragrances or alcohol if you have reactive skin.
Adaptogens address different needs: some are soothing, such as chamomile and calendula, making them suitable for easily irritated skin, while others have a strong antioxidant action and are better suited to a pro-ageing approach. The type of product in which they are included also matters: a cleanser remains on the skin for just a few seconds, while a serum works for hours.
Skincare is a personal journey that is never the same for everyone. This is the principle guiding LeLang in selecting highly functional, naturally derived ingredients to create formulations designed for every skin type. If you have a specific concern, consulting an expert remains the quickest way to avoid trial and error.


