Why can't you get your hair done while pregnant?
The structure of your hair itself may also change during pregnancy, making these chemical treatments ineffective for the result you want. These types of hair treatment may increase the risk of harmful chemicals entering your bloodstream and passing through the placenta to the baby.
You're still ok to get that appointment booked. Going for your usual colour at the hairdressers is not thought to be a problem when you're pregnant, although highlights are a better option than a full colour as the chemicals don't touch your scalp (NHS, 2018).
Although fairly limited, most research indicates the chemicals found in both semi-permanent and permanent dyes are not highly toxic and are safe to use during pregnancy. In addition, only small amounts of hair dye may be absorbed by the skin, leaving little that would be able to reach the fetus.
Wait for It
The first trimester is a critical time for your baby's growth. To be extra cautious, wait until the second trimester to start dyeing your hair.
Bottom line. In most cases, it's safe to get manicures and pedicures during your pregnancy. You'll likely hear all sorts of opinions on beauty treatments and other activities during your pregnancy. In the end, the decision is up to you and your doctor.
Always tell your hair stylist you're pregnant
We want to protect you and your little one! But we can't do that if we don't know you're a soon-to-be Mama – or Mama again. So whenever you're booking an appointment to colour your hair, let your stylist know you're expecting a little nugget.
Wait Until Your Second Trimester
To minimize potential harm to a developing fetus, some experts advise against coloring hair in the first 12 weeks of pregnancy. You should wait until your second trimester to color your hair.
Wait until your second trimester
If you want to be cautious (and rest easier at night), wait until this critical period is over before reaching for the hair dye. “Many doctors recommend holding off on hair color until week 13 of your pregnancy, just to be safe,” Dr. Zanotti says.
Wait until the second trimester
Is it safe to use hair dye during pregnancy? Research on this subject is limited, but many experts advise mothers-to-be to wait until around the beginning of the second trimester.
It's fine to have acrylic nails applied during pregnancy, as long as the room is well-ventilated with open windows or air conditioning. Acrylic nails give off fumes as they are being applied. If you are exposed to a lot of these fumes, it can make you nauseous or sick.
What do I need to avoid while pregnant?
- Acupuncture and massage.
- Cats.
- Cleaning products.
- Exercise.
- Fake tan.
- Food.
- Alcohol.
- Hair dye.
In and of themselves, lash extensions will cause no harm during pregnancy, however the potential risks associated with the application process - such as fumes from your lash adhesive, the position of the client and the potential of an allergic reaction - are worth taking into account.

"Generally, as with most exposures in pregnancy, waiting until after the first trimester to dye or bleach one's hair is advisable," Aziz tells Allure. "After this period, the risk of chemical substances harming the fetus is much lower." Streicher has offered similar advice to her patients.
- Avoid smoking and e-cigarettes. ...
- Avoid alcohol. ...
- Avoid raw or undercooked meat and eggs. ...
- Avoid raw sprouts. ...
- Avoid certain seafood. ...
- Avoid unpasteurized dairy products and unpasteurized juices. ...
- Avoid processed meats such as hot dogs and deli meats. ...
- Avoid too much caffeine.
Although the risk is small, it is recommended that you wait to get a tattoo until after your baby is born. Little information is available about the safety of skin dyes used for tattooing during pregnancy. It is possible that the chemicals in the dye may affect the development of the baby during the first 12 weeks.
According to the American College of Obstetricians and Gynecologists, coloring your hair while pregnant is highly unlikely to be toxic to your fetus. Animal studies show that even high doses of the chemicals in hair dye do not cause birth defects.
Many doctors recommend pregnant people wait until after the conclusion of their first trimester to dye their hair. Dr. DiSabatino typically advises his patients to hold off until the 13-week mark.
Good news: getting your hair dyed while pregnant is considered safe, especially in the second and third trimesters. Since most hair dyes have little contact with your scalp, the chance of any chemicals reaching your bloodstream, and therefore your baby, is low.
It's most likely safe to dye your hair while pregnant. There isn't much research available, though, so you may want to take some safety precautions.