Nail varnish during pregnancy: good or bad idea?

Nail varnish is, first and foremost, a mixture of resins, solvents and pigments that forms a protective, coloured film on the surface of the nail. There are several categories of products:

Classic nail varnish, applied in thin layers and left to air-dry

Semi-permanent nail varnish , cured under a UV or LED lamp for longer-lasting wear

So-called “natural” or “organic” nail varnishes, formulated without certain controversial substances.

These products fall within the cosmetics category and are used to enhance and protect the nails. However, their composition and application methods differ, which explains the frequent questions surrounding nail varnish and its safety for use during pregnancy.

Nail varnish composition: what you need to know

Nail varnish may seem harmless, but its formula is a complex blend of chemicals. It contains:

• Solvents (ethyl acetate, butyl acetate, alcohol, etc.) which help the product spread evenly and dry quickly

• Resins and polymers which ensure the film adheres well and has a glossy finish on the nail

• Plasticisers (formerly phthalates, now replaced by other molecules) which prevent the polish from cracking too quickly

• Pigments and colourants, sometimes of synthetic origin, which provide colour and shine

• Various additives: pearlescent agents, UV filters, hardeners.

These components, particularly the solvents, are responsible for the strong odours experienced during application. Whilst most of the most problematic substances, such as formaldehyde, toluene and DBP, are now banned in Europe, some formulations may still contain irritating or polluting ingredients.

Today, nail varnishes are categorised into several groups based on their composition:

• Conventional nail varnishes, the most common

• ‘3-free’, ‘5-free’ or ‘10-free’ nail varnishes, which exclude an increasing number of substances deemed undesirable

• So-called organic or natural nail varnishes, formulated using solvents derived from plant-based raw materials (wheat, maize, sugar cane) and considered less harsh, even though no nail varnish is completely solvent-free.

During pregnancy, the main concerns relate to solvent vapours and repeated contact with certain ingredients. Hence the importance of choosing your nail varnish carefully and limiting how often you use it.

Pregnancy does not necessarily mean you have to give up nail varnish . These products are not banned, but their use requires a few precautions. The solvents contained in conventional nail varnishes or nail varnish removers can give off irritating vapours, especially if applied in a poorly ventilated space. Semi-permanent nail varnishes also pose a problem, as removing them requires the use of acetone, which is often harsh on nails and skin. In practice, there is nothing to stop a pregnant woman from wearing nail varnish, provided she limits how often she does so, chooses safer formulas (such as ‘10-free’ or organic varnishes) and applies the product in a well-ventilated room. For those who wish to avoid any risk of exposure, there are natural alternatives that allow you to care for and beautify your nails without using nail varnish.

Choosing a nail varnish during pregnancy depends first and foremost on its ingredients. Things to bear in mind when choosing your nail varnish:

1. Opt for ‘free’ nail varnishes: more and more brands are offering ‘3-free’, ‘5-free’ or ‘10-free’ nail varnishes, which are free from certain solvents and resins considered undesirable. The higher the number, the purer the formula.

2. Opt for organic or natural nail varnish: some use solvents derived from plant-based materials (wheat, maize, sugar cane) and reduce exposure to petrochemical compounds

3. Limit the use of semi-permanent polish: its long-lasting hold is appealing, but removing it requires acetone, which is harsh on the nails and should be avoided if possible during pregnancy

4. Choose a gentle nail varnish remover: acetone-free and enriched with plant-based oils; this will be gentler on your nails and skin

5. Check the labels: some guarantee a safer formulation, with more natural ingredients.

Beyond the choice of product, it’s also important to adopt good habits: ventilate the room whilst applying the polish, avoid touching it up too often, and don’t wear nail varnish all the time so that your nails can breathe.

Pregnancy is a time when gentleness and safety take priority in your beauty routine. Without giving up the pleasure of feeling good, it is possible to opt for natural and suitable alternatives.

For the skin

Stretch Mark Oil with 10 Precious Oils

This oil combines 10 plant-based oils (wild rose, avocado, Inca Inchi, calophyllum, borage, linseed, sweet almond, arnica, olive and safflower) to deeply nourish the skin and boost its elasticity. Rich in antioxidants and vitamins, it helps prevent the appearance of stretch marks, reduces the appearance of recent marks and soothes tightness. Its light texture absorbs quickly without leaving a greasy film, leaving the skin soft, supple and comfortable.

Discover the Stretch Mark Oil with 10 precious oils

Organic Chilean Rosehip Oil

Rich in essential fatty acids and carotenoids, this precious oil nourishes dry and sensitive skin and improves its elasticity. Renowned for reducing the appearance of stretch marks, it also helps to even out the complexion and fade marks caused by sun exposure or dry skin. Its high antioxidant content makes it a regenerating and protective treatment, ideal for supporting the skin during pregnancy. Apply neat or mixed into a cream or skincare oil.

Discover Organic Chilean Rosehip Oil

Organic Macadamia Oil

Light and easily absorbed, this oil—rich in fatty acids similar to sebum—nourishes and protects the skin without leaving a greasy film. It is particularly valued for preventing or reducing the appearance of stretch marks and for softening dry or delicate areas. Restorative and soothing, it is also suitable for sensitive or irritated skin. Thanks to its light texture, it is easy to use as part of your daily skincare routine or as a massage oil base.

Discover Organic Macadamia Oil

For your nails and hands

Organic Castor Oil

Used as a targeted treatment during pregnancy, this plant-based oil strengthens brittle nails and nourishes cuticles. Its rich texture also protects hands that are dry or sensitised by repeated washing, whilst helping to fade small brown spots.

Discover Organic Castor Oil

Nude Pink Nail Polish

This ‘14-free’ nail varnish excludes the controversial ingredients traditionally found in nail varnishes. Comprising over 85 per cent plant-based ingredients, it combines organic castor oil, which strengthens and nourishes the nail, with mastic resin, which has hardening properties. Its timeless powdery pink shade suits all skin tones and adds an elegant, understated touch. Vegan and made in France, it offers a gentler, suitable alternative during pregnancy.

Discover the Nude Pink Nail Varnish

Nail & Cuticle Care Oil

Formulated with five precious oils (jojoba, castor, argan, myrrh and lemon) and enriched with hardening mastic resin, this 2-in-1 oil nourishes, repairs and softens cuticles whilst strengthening damaged, brittle or ridged nails. It helps to strengthen them and restore a smoother, more even appearance, for a natural, well-groomed manicure without having to resort to nail varnish all the time. Certified organic and 100% natural, it gently complements the beauty routine of expectant mothers.

Discover the Nail & Cuticle Care Oil

For hair

Organic Caramel Henna – plant-based hair colour

A blend of eight plants, including Rajasthani henna, indigo and turmeric, this 100% plant-based, certified organic hair colour colours and conditions the hair in a single application. It adds warm, luminous highlights to blonde to light brown hair, deepens brown tones and effectively covers grey hair. A genuine hair treatment, it coats and strengthens the hair fibre, whilst adding softness, volume and shine. Free from harmful chemicals, vegan and gentle on the scalp, it offers a natural alternative to conventional hair dyes during pregnancy.

Discover Organic Caramel Henna – plant-based hair colour

Organic Golden Blonde Henna – plant-based hair colour

Made from eight plants, including chamomile, turmeric and neutral henna, this 100% plant-based, certified organic colour treatment brightens light-coloured hair and tints grey hair with a lovely honey-blonde shade. It revives golden highlights and adds radiance and shine to blonde or light brown hair, whilst being gentle on the scalp. A genuine hair treatment, it coats and strengthens the hair fibre, restores volume and suppleness, and leaves hair soft and luminous. Free from harmful chemicals, vegan and gentle on the skin, it offers a natural alternative to chemical hair dyes during pregnancy.

Discover Organic Golden Blonde Henna – plant-based hair colour

Natural Organic Pomegranate Vinegar

Produced by fermenting organic pomegranate juice, this antioxidant-rich vinegar can be used as a rinse after shampooing or following a plant-based hair colour treatment. It neutralises limescale, closes the hair cuticle and makes detangling easier, whilst adding shine and lustre. It also helps to protect colour and maintain the hair’s suppleness, whilst being gentle on the scalp. A natural alternative to cider vinegar, ideal for hair care during pregnancy.

Discover natural Organic Pomegranate Vinegar

It is still possible to wear nail varnish during pregnancy, provided you follow a few simple rules:

1. Limit how often you apply it: don’t wear nail varnish all the time and let your nails go bare regularly

2. Always ensure the room is well-ventilated: apply nail varnish in a well-ventilated area to avoid inhaling solvents

3. Choose a gentle nail varnish remover: opt for acetone-free formulas, which are gentler on your nails and skin

4. Avoid semi-permanent polish: removing it with acetone damages your nails and skin

5. Remove your nail varnish before giving birth: in many maternity wards, you’ll be asked not to wear it to facilitate medical monitoring.

Certain homemade recipes offer a simple and reassuring alternative during pregnancy. They allow you to treat yourself whilst choosing gentler formulas, whether it’s a coloured nail varnish made from a bio-sourced base or a nourishing cream to protect the skin on your hands and feet.

During pregnancy, nail varnish should only be used occasionally, favouring formulas free from harsh solvents, toluene, phthalates or formaldehyde. It is also advisable to apply the varnish in a well-ventilated room to minimise the inhalation of fumes.

Nail varnish can be used during pregnancy provided certain precautions are taken. It is recommended that you check the ingredients of the products, apply them in a well-ventilated area and limit how often you use them. Aggressive removal techniques, particularly for semi-permanent nail varnish, should be avoided. It is also advisable to leave your nails without varnish for regular periods, so that they can regain their natural strength. Between applications, nourishing plant-based oils or protective creams help to keep your hands looking well-cared-for whilst minimising exposure to solvents.

Laetitia is an editorial communications consultant specialising in creating beauty and well-being content. Passionate about natural cosmetics, she works with socially conscious brands that share her vision of authentic and responsible beauty. Always on the lookout for the latest developments, she enjoys analysing trends and innovations in the sector.