Also known as cholasma or melasma, pregnancy mask is a symmetrical hyperpigmentation of the face, ranging from light brown to dark brown. Not all pregnant women are necessarily affected. Pregnancy mask affects 45 to 75% of female subjects who are expecting a child. However, if you have already developed a pregnancy mask, you are more likely to see a new one appear during a future pregnancy or following the use of a contraceptive pill. So, how can this phenomenon be avoided?
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Melasma: How to Prevent Its Recurrence?
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Published February 22, 2024,
by
Maylis, Chemical Engineer
—
4 min read
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In short, the pregnancy mask.
This refers to a form of hyperpigmentation often observed in pregnant women (but not exclusively), which manifests as large brown areas on the face, particularly on the cheeks, the bridge of the nose, the forehead, and the upper lip. Other parts of the body, such as the stomach or forearms, can also be affected. This is the result of excessive melanin production. There are three types of melasma: epidermal melasma, which is the most superficial form with hyperpigmentation only in the epidermis; dermal melasma, which affects the dermis, the deep layer of the skin; and mixed melasma, which is characterized by both epidermal and dermal melasma.
Melasma, often referred to as the "mask of pregnancy," is most commonly caused by a combination of hormonal fluctuations and repeated sun exposure. These hormonal fluctuations can be associated with pregnancy, but also with the use of oral contraceptives, and/or hormone replacement therapy. Furthermore, men can also be affected if they are undergoing estrogen treatment as part of prostate cancer therapy.According to the American Academy of Dermatology, 10% of melasma cases affect men. This condition can also affect individuals taking anti-epileptic medications.
How to prevent the recurrence of melasma?
The watchword: PROTECTION !
Indeed, the UV rays from the sun promote the appearance of brown spots. Therefore, it is advised to limit sun exposure, avoid exposure during peak hours (between 11 a.m. and 3 p.m.), wear clothing and hats for protection, and of course apply a sunscreen daily, even on cloudy days, in both summer and winter.
When it comes to choosing sun protection, it depends on each individual's phototype. According to the FITZPATRICK classification, skin types are categorized into 6 phototypes defined by hair color, complexion, frequency of sunburn, and type of tanning. Thus, individuals with red hair, freckles, and a pale complexion (phototype I), and those with blonde hair and fair skin (phototype II), should opt for a sun protection factor (SPF) of 50. People with light brown hair and fair skin (phototype III), or brown/dark brown hair and slightly tanned skin (phototype IV), should lean towards a sun protection factor of 30 or even 50. Finally, for mixed-race skin of phototype V or black skin of phototype VI, a sun protection with a minimum SPF of 20 is sufficient for protection.
Also limit the use of treatments that may irritate your skin. The skin is already sensitive during pregnancy, so it's better to avoid scrubs or peels. The use of beauty treatments with aggressive active ingredients like retinol or glycolic acid can exacerbate the appearance of pregnancy mask.
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