Medical Note: This article is intended for educational purposes only and should not replace professional medical advice. If your baby’s hair loss is accompanied by fever, swelling, pus, bleeding, or rapid scalp changes, consult your pediatrician promptly.
Watching your baby’s hair fall out can be worrying for new parents. However, baby hair loss is extremely common during the first year of life and, in most cases, is completely normal. Many newborns lose some or even most of the hair they were born with before new, permanent hair begins to grow.
Hair loss in babies may occur because of hormonal changes after birth, friction from lying in the same position, or certain medical conditions affecting the scalp. While temporary hair shedding is usually harmless, sudden patchy hair loss, redness, scaling, or signs of infection may require medical evaluation.
This comprehensive guide explains the causes, symptoms, diagnosis, treatment, prevention, and when parents should seek medical care.
What Is Baby Hair Loss?
Baby hair loss, medically known as infant hair shedding, refers to the temporary loss of hair from a baby’s scalp. It commonly occurs during the first 3 to 6 months after birth as newborn hair is replaced by stronger permanent hair.
This natural process is part of normal development and usually does not affect future hair growth.
According to the American Academy of Pediatrics, newborn hair shedding is common and is generally not a cause for concern.
Is Hair Loss Normal in Babies?
Yes.
Many babies lose between 30% and 100% of their newborn hair during the first few months of life. New hair typically begins growing shortly afterward, although the color and texture may be different from the hair present at birth.
Most babies have fuller hair by their first birthday.
What Causes Baby Hair Loss?
Several factors can contribute to hair loss during infancy.
1. Hormonal Changes After Birth
One of the most common causes is the sudden drop in maternal hormones after delivery.
During pregnancy, maternal hormones keep hair in the growing phase. After birth, these hormone levels decrease, causing newborn hair to shed naturally before new hair begins to grow.
2. Friction (Pressure Hair Loss)
Babies spend a significant amount of time lying on their backs to reduce the risk of Sudden Infant Death Syndrome (SIDS). Continuous rubbing of the back of the head against a mattress, stroller, or car seat may lead to temporary hair loss, especially around the back of the scalp.
Providing supervised tummy time while your baby is awake can help reduce constant pressure on one area of the scalp.
3. Cradle Cap
Thick yellow or greasy scales caused by cradle cap may sometimes contribute to temporary hair shedding.
Parents should avoid forcefully removing these scales, as doing so may pull out healthy hair along with them. If your baby has greasy flakes on the scalp, our detailed guide on Baby Cradle Cap explains safe treatment methods and how to distinguish it from dry scalp.
4. Baby Dry Scalp
A dry, flaky scalp can occasionally lead to minor hair breakage or temporary shedding.
If your baby’s scalp feels rough or develops fine white flakes, read our article on Baby Dry Scalp to learn how proper moisturizing and gentle scalp care can improve overall scalp health.
5. Baby Eczema
Babies with eczema may scratch their scalp frequently because of itching, resulting in hair breakage or temporary hair loss.
If your baby also has itchy red patches on the face, neck, or body, our Baby Eczema guide explains the symptoms, triggers, and treatment options.
6. Ringworm (Tinea Capitis)
A fungal infection of the scalp called ringworm can cause:
- Round bald patches
- Broken hairs
- Scaling
- Itching
Unlike normal newborn hair shedding, ringworm requires medical treatment. Our article on Baby Ringworm explains how to recognize fungal scalp infections in infants.
7. Nutritional Deficiencies
Although uncommon in healthy infants, deficiencies of nutrients such as:
- Iron
- Zinc
- Biotin
- Vitamin D
may contribute to poor hair growth or increased hair shedding.
Breastfed babies should continue regular pediatric check-ups to ensure they receive adequate nutrition.
8. Tight Hairstyles
Although rare in infants, tightly tied ponytails or hairstyles can lead to traction alopecia, a form of hair loss caused by constant pulling on the hair.
9. Medical Conditions
Less commonly, hair loss may occur because of:
- Thyroid disorders
- Alopecia areata
- Autoimmune conditions
- Serious illnesses
These conditions require evaluation by a pediatrician or pediatric dermatologist.
Symptoms of Baby Hair Loss
Hair loss may appear in different ways depending on the cause.
Common symptoms include:
- Hair shedding
- Thinning hair
- Bald patches
- Hair on the pillow
- Hair in the bath
- Receding hairline
- Uneven hair growth
- Scalp flakes
- Mild redness (in some conditions)
Most babies do not experience pain or discomfort with normal hair shedding.
Baby Hair Loss vs Normal Hair Shedding
| Normal Baby Hair Shedding | Abnormal Hair Loss |
|---|---|
| Occurs during the first few months | Can happen at any age |
| Hair grows back naturally | Hair may not regrow without treatment |
| No scalp inflammation | Redness, scaling, or infection may be present |
| Even thinning | Patchy bald spots |
| No other symptoms | Itching, crusting, or swelling may occur |
Who Is More Likely to Experience Baby Hair Loss?
Hair loss is more common in babies who:
- Are younger than six months
- Spend long periods lying on their backs
- Have cradle cap
- Have eczema
- Have fungal scalp infections
- Have nutritional deficiencies
- Have a family history of autoimmune diseases
How Is Baby Hair Loss Diagnosed?
Doctors usually diagnose baby hair loss through:
- Physical examination
- Scalp inspection
- Medical history
- Hair growth pattern assessment
If abnormal hair loss is suspected, additional investigations may include:
- Fungal testing
- Blood tests
- Nutritional assessment
- Thyroid function tests
- Referral to a pediatric dermatologist
According to the American Academy of Dermatology (AAD), most cases of infant hair loss can be diagnosed based on the appearance of the scalp and hair without extensive testing.
Is Baby Hair Loss Permanent?
In most cases, No.
Normal newborn hair shedding is temporary, and healthy hair usually regrows within several months.
Hair loss caused by infections or nutritional deficiencies also improves once the underlying condition is treated.
However, autoimmune disorders such as alopecia areata may require specialist care.
Can Baby Hair Grow Back?
Yes.
Most babies develop a new cycle of healthy hair growth during the first year of life. The new hair may differ in:
- Color
- Texture
- Thickness
- Curl pattern
Some babies who are born with thick black hair later develop lighter or curlier hair as they grow.

