Skin & Hair Changes During Pregnancy

During pregnancy the hormones in your body (especially estrogen, progesterone, and melanocyte-stimulating hormone, MSH) rise quickly. At the same time, your blood volume and the blood flow to your skin increase to nourish your baby. That famous 'pregnancy glow' many moms notice is largely the result of this extra blood flow and more active oil glands.

But the same hormones can sometimes do the opposite: you may notice darkening patches, breakouts, dryness, itching, or changes in your hair and nails. The vast majority of these are completely normal and usually settle down on their own in the months after birth.

In this chapter we walk you calmly and practically through the most common skin and hair changes, which ones are normal, what to watch for, and how to keep your skincare safe during pregnancy. Remember: every skin is different, so the safest approach is always to check with your doctor before using any new product or treatment on yourself.

Melasma refers to symmetric brownish-gray patches of darkening on your face, most often on the cheeks, forehead, upper lip, and bridge of the nose. Because it's so common in pregnancy, it's nicknamed the 'mask of pregnancy.' Hormones stimulate the pigment-producing cells in your skin, and sun exposure then triggers and deepens the process.

The good news: melasma is harmless, and in most women it fades noticeably in the months after delivery. Even if it doesn't disappear completely, protecting yourself from the sun is the single most effective way to keep the patches from getting darker.

How to protect yourself

• Wear a broad-spectrum (UVA+UVB) sunscreen of at least SPF 30 every day; apply it even on cloudy days and reapply every couple of hours when you're outside.
• When possible, choose a mineral (physical) sunscreen; those with zinc oxide or titanium dioxide are a good choice in pregnancy.
• Use a wide-brimmed hat, sunglasses, and shade, and avoid direct sun during the middle of the day.

The dark line that runs down the middle of your belly is called the linea nigra. That line was actually always there; it has simply become more visible as hormones increased its pigment. In the same way, your nipples and the areolas around them can darken, and existing moles and freckles may look a little deeper in color.

These are all expected, harmless pregnancy changes, and they usually lighten gradually after birth.

Moles and when to have them checked

• Existing moles may darken slightly; on its own that's usually not a concern. But if a mole quickly changes shape, size, or color, becomes asymmetric, develops irregular edges, itches, or bleeds, always show it to your doctor.
• This check matters because, rarely, it helps rule out skin cancer (melanoma). If you're unsure, don't wait it out; the right move is to see a doctor or dermatologist.

Stretch marks are lines that appear on the belly, breasts, hips, and thighs as the skin stretches rapidly. They start out pink-red-purple and, over time, fade to a silvery tone. How many you get depends largely on genetics (how it went for your mom or sister) and how quickly your skin stretches.

To be honest with you: no cream, oil, or lotion can guarantee that stretch marks won't form. Despite the advertising, there is no product that reliably prevents them. But keeping your skin moisturized and comfortable eases itching and helps you feel good. Over time, stretch marks fade and become far less noticeable.

Gentle care

• Once or twice a day, moisturize your belly, breasts, and hips with a fragrance-free, gentle moisturizer; apply it especially after a shower while your skin is still damp.
• Drink plenty of water and eat a balanced diet; healthy, elastic skin is supported from the inside out.
• Be realistic and gentle with yourself: stretch marks happen to many moms and are an ordinary part of the motherhood journey, not a flaw.

Because your oil glands are more active during pregnancy, breakouts may increase or decrease, especially in the early months. This up-and-down is a natural result of your hormones. The biggest rule is this: not every skincare product you used before pregnancy is still safe, because some active ingredients can harm a developing baby.

The lists below are a general guide; products vary from person to person. We recommend checking with your doctor or dermatologist before applying any product. These aren't prescriptions, just a starting point for that conversation.

Ingredients to avoid

• Oral isotretinoin (such as Accutane): a medication known to cause serious birth defects that must absolutely NOT be used in pregnancy. If you are taking it, tell your doctor right away.
• Topical retinoids / retinol (vitamin A derivatives, such as 'retinoic acid,' 'adapalene,' 'tretinoin'): common in acne and anti-aging products; it's recommended to avoid them in pregnancy.
• Hydroquinone (a skin-lightening agent) and high-dose salicylic acid: it's safest to stay away from these and to ask your doctor first, even for low-dose products.

Safer options (with your doctor's okay)

• Azelaic acid and low-percentage glycolic acid: generally considered safer for acne and dark spots; still, ask your doctor.
• Niacinamide (vitamin B3) and vitamin C: usually well-tolerated ingredients that help even out skin tone and add brightness.
• Gentle, soap-free cleansers and mineral sunscreen (zinc oxide / titanium dioxide): the safe foundation of your daily routine.
• Benzoyl peroxide: in some cases limited use may be allowed, but only use it if your doctor approves.

Mild itching is very common in pregnancy as your skin stretches and dries out, and it's usually harmless. A fragrance-free moisturizer, warm (not very hot) showers, and drinking plenty of water often bring relief.

However, some itching can be an important warning. In particular, severe itching that starts without a rash later in pregnancy, is concentrated on the palms of the hands and soles of the feet, and worsens at night can be a sign of cholestasis of pregnancy, a liver-related condition. Because it can affect your baby's health, it should not be ignored.

When to call promptly

• If you have severe, rash-free itching concentrated on your palms and soles that is intense enough to wake you at night, contact your doctor without delay.
• If it comes with dark urine, pale stools, loss of appetite, nausea, or yellowing of your eyes/skin (jaundice), treat it as urgent; cholestasis of pregnancy can be checked with a simple blood test.

Throughout pregnancy you may notice other, smaller and usually temporary changes in your skin. Most of these are harmless and resolve after birth.

Other common changes

• Skin tags: harmless small flaps of skin that can appear in areas like the neck, underarms, and under the breasts; they usually shrink after delivery.
• Spider veins and varicose veins: increased blood volume and the baby's pressure on your veins can cause thin purple-red veins on the legs. Elevating your legs, staying active, and wearing compression stockings when needed can help.
• PUPPP rash: a very itchy, raised red rash that usually starts around the stretch marks on the belly in late pregnancy. Although uncomfortable, it's generally harmless to you and your baby; ask your doctor about relief.
• More sensitive skin: scents, products, or sun that never bothered you before may now irritate your skin; switching to gentle, fragrance-free products helps.

During pregnancy, many women find their hair looks fuller and thicker than usual. That's because hormones keep hairs that would normally shed on your head for longer; in other words, you lose less hair.

As for hair dye, the general view is that coloring your hair during pregnancy is considered low-risk; only a very small amount of any substance is absorbed by the skin. Even so, for peace of mind you might wait until after the first trimester, dye in a well-ventilated space, and discuss it with your doctor.

Postpartum shedding

About 2 to 4 months after birth, many moms notice a marked increase in hair shedding, and it frightens most of them. In reality this is all the hair that didn't shed during pregnancy entering the resting phase together and falling out (telogen effluvium).

• This shedding is normal and temporary; it usually corrects itself within a few months and your hair returns to its previous fullness.
• Be gentle with your hair: avoid tight ponytails, harsh brushing, and excessive heat. If the shedding looks extreme, lasts for many months, or worries you, check with your doctor.

Pregnancy hormones affect your nails too. In many moms nails grow faster; in some they become more brittle, break easily, or feel thin.

• Keep your nails short and smooth, wear gloves for a lot of contact with water and detergents, and apply moisturizer to your cuticles too.
• These changes are usually temporary and return to normal after birth; there's no need to worry.

The best part of pregnancy skincare is that simple is usually best. You can build a healthy routine with just a few gentle, safe products.

Daily routine

• Morning and evening, wash your face with a gentle, soap-free cleanser; pat your skin dry without scrubbing.
• Use a fragrance-free, gentle moisturizer regularly on your face and on stretching areas (belly, breasts, hips).
• Every morning apply a broad-spectrum mineral sunscreen of at least SPF 30; this is the most important step for melasma and dark spots.
• Drink plenty of water, eat a balanced diet, and patch-test any new product on a small area before using it; when in doubt, ask your doctor.

The vast majority of skin and hair changes are temporary and harmless. Even so, in certain situations it's important to see a doctor or dermatologist without delay.

When to see a doctor or dermatologist

• For severe, rash-free itching that worsens at night, especially concentrated on the palms and soles (for possible cholestasis of pregnancy).
• For a mole or a new skin spot that changes shape, size, or color, bleeds, or itches.
• For severe acne that affects your quality of life, so you can discuss safe treatment options together.
• For widespread, blistering, rapidly spreading rashes, or rashes accompanied by fever.

Remember: what's described here is general information, not personal medical advice. Every skin and every pregnancy is different; always confirm with your own doctor whether the products you use are safe for you. When you move forward with the right information, you'll see that most of these changes are temporary and a natural part of the motherhood journey.