Tattoos and Skin: What You Really Need to Know Before You Get Inked

A tattoo is often much more than just a design on the skin. It's a memory, a tribute, a significant date, a way to carry something important with you forever. This emotional dimension is real, and we fully respect it.

Precisely because a tattoo involves both the skin and personal history, we believe it deserves to be chosen with full awareness.

Tattooing is a massive cultural phenomenon today. Nearly one in five people worldwide have at least one tattoo, and this proportion continues to increase.

However, behind the art and personal expression, there is a biological reality that few tattoo artists explain, and few clients think to ask about.

What you are doing when you get a tattoo is introducing a complex chemical cocktail into the dermis, the deep layer of your skin. This act is irreversible, or almost. And its long-term effects are only just beginning to be documented by science.

What does a tattoo actually do to your skin?

During a tattoo, a needle punctures the skin between 50 and 3,000 times per minute to inject ink into the dermis. The immune system immediately reacts to this intrusion: it sends macrophages (defense cells) to engulf the foreign ink particles. This mechanism is what permanently sets the tattoo in the skin.

What is less known is that not all these particles remain in place. A study published in the prestigious journal PNAS after seven years of research confirmed that tattoo ink does not stay neatly under the skin. Some of the pigments migrate to the lymph nodes, where they can accumulate and cause chronic inflammation.

Tattoo inks often contain heavy metals, polycyclic aromatic hydrocarbons, and other chemical substances not designed for skin use. The European REACH regulation, which came into force in 2022, drastically limited authorized pigments, but not all inks on the market yet comply with these standards, and tattoos done before this date potentially contain substances now banned.

Do tattoos increase the risk of cancer?

This is the question that more and more dermatologists and researchers are asking, and recent answers deserve attention.

A study published in November 2025 in the Journal of the National Cancer Institute examined the link between tattoos and the risk of cutaneous melanoma in France, concluding an association between tattoo exposure and the risk of cutaneous melanoma.

Researchers identified an increased risk of lymphoma and skin cancers in tattooed individuals, with a hypothesis that certain ink particles migrate from the skin to the blood and accumulate in the lymph nodes, where they could cause chronic inflammation and then abnormal cell proliferation.

It's important to qualify: no formal proof directly links getting a tattoo to the development of cancer. These studies show an association, not established causality. Research is still ongoing, and the precise mechanisms remain to be confirmed.

What is certain, however, is that a dense, dark, or very colorful design can mask the appearance of new moles or the evolution of existing lesions, making clinical examination less reliable for a dermatologist. The direct consequence is a risk of delayed diagnosis, and in the case of melanoma, early detection is the key factor for recovery.

Which areas should be avoided for a tattoo?

Certain body areas present specific risks that are worth knowing before making a decision.

It is not recommended to get tattooed over a mole, not only for aesthetic reasons but because the tattoo can mask the evolution of a lesion and delay a melanoma diagnosis.

Areas with particular skin risk include folds (elbow, knee, armpit), where friction and perspiration favor infections and inflammatory reactions, and sun-exposed areas (hands, neck, face), where pigment degradation due to UV rays is faster.

For people suffering from skin diseases such as psoriasis, lichen planus, cutaneous lupus, sarcoidosis, or vitiligo, tattooing is strongly discouraged, as the disease can be triggered in the tattooed area even if it was not initially affected.

Why are so many laser tattoo removal centers opening?

This is a significant phenomenon: the number of centers specializing in laser tattoo removal has exploded in recent years in most Western countries. Two main reasons explain this:

First, an entire generation of people tattooed in the 2000s and 2010 are now reaching ages where priorities change. What seemed obvious at 20 can become a regret at 35 or 40.

Second, laser technology has significantly improved, making tattoo removal more accessible and effective than it was ten years ago. But accessible does not mean without risk.

Laser tattoo removal is not without consequences: significant pain, possible scars, burns, and pigmentation changes can occur. Moreover, particles released during the process could potentially contain toxic substances.

Before starting tattoo removal, consulting a dermatologist is essential. And before getting a tattoo, thinking about it at length is just as important.

What tattooed skin needs: the right care

Whether you already have a tattoo or are considering getting one, tattooed skin has specific needs that deserve attention.

Immediately after tattooing, the skin is an open wound. It needs to be protected from infections, hydrated, and nourished to promote healing. Noble fatty substances, such as shea butter and mango butter found in La Caresse, are particularly suitable for this phase: they deeply nourish, form a protective barrier, and support regeneration without obstructing healing.

In the long term, tattooed skin must be rigorously protected from the sun. UV rays accelerate pigment degradation and increase the risks associated with the chemical components of inks. An SPF 50 sunscreen on exposed tattooed areas is essential, all year round.

And in the evening, a rich night cream with regenerating and antioxidant active ingredients, like the peptides and marine active ingredients in our Night Cream, helps the skin maintain its cellular vitality, tattooed or not.

What to remember before deciding

A tattoo is a decision that commits your skin forever, or almost. Today's science does not say that this form of personal expression should be given up. It says that the decision should be made with full knowledge of the facts.

The researchers behind the study published in PNAS are pragmatic: prioritize small tattoos, as the observed problems are related to the amount of ink injected, and consult a dermatologist beforehand.

A well-thought-out tattoo, performed by a qualified professional using inks compliant with European standards, in a suitable area, and maintained with proper care, is an informed decision.

Frequently asked questions about tattoos and skin

Does a tattoo permanently damage the skin?

Tattooing permanently modifies the skin by introducing pigments into the dermis. This modification is not necessarily "damage," but it commits the skin long-term, with effects that are only just beginning to be well-documented by science. The decision deserves to be made with all available information.

Can you get tattooed if you have sensitive skin?

Sensitive, reactive, or allergy-prone skin presents a higher risk of inflammatory reactions after a tattoo. A prior dermatological consultation is highly recommended to assess individual risks and choose an appropriate area and ink.

How to care for a new tattoo?

In the first few days, tattooed skin is a wound and should be treated as such: gentle cleansing, hydration with a non-occlusive fatty substance, protection from sun and irritants. Avoid immersion in water (pool, sea) for at least two weeks. Consult a dermatologist in case of persistent redness or inflammation.

Is laser tattoo removal safe?

Laser is currently the most effective technique for removing a tattoo, but it is not without risks: pain, possible scars, pigmentation changes. A prior medical consultation is essential to assess feasibility depending on the ink color, tattooed area, and skin type.

Should a tattoo be protected from the sun?

Yes, rigorously and permanently. UV rays accelerate pigment degradation and can interact with the chemical components of inks. SPF 50 protection on exposed tattooed areas is recommended all year round, not just in summer.