Postpartum Hair Loss: Why It Happens & How to Support Healthy Regrowth

If you’re a few months postpartum and noticing more hair in the shower drain, on your brush, or mysteriously wrapped around your wrist… take a deep breath. You’re not broken, your body isn’t failing you, and you didn’t “do something wrong.”

Postpartum hair loss is incredibly common, and while that doesn’t make it any less emotional, it does mean there’s a real explanation behind it and real ways to support healthy regrowth.

Short answer? Yes. Very.

Postpartum hair loss, clinically known as telogen effluvium, affects an estimated 40–50% of women after pregnancy. (1) It usually begins around 2 to 4 months postpartum, peaks around 4 to 6 months, and gradually improves by your baby’s first birthday. (2)

So if your hair was feeling extra thick during pregnancy and now feels… less so? That’s not a coincidence.

1. Hormonal Shifts After Pregnancy

During pregnancy, estrogen levels remain elevated. This hormone keeps hair follicles in the anagen (growth) phase longer than usual, which is why many women experience reduced shedding and thicker hair while pregnant. (3)

After delivery, estrogen levels drop rapidly. When that happens, a large number of hair follicles shift into the telogen (resting/shedding) phase at the same time. (4)

A few months later? The shedding shows up, and it can feel dramatic, even though it’s a delayed response to hormonal changes that already occurred.

2. Physical Stress on the Body

Pregnancy, childbirth, postpartum recovery, sleep deprivation, and the mental load of caring for a newborn all place significant physiologic stress on the body.

Telogen effluvium is known to be triggered by physical or metabolic stressors, including childbirth itself. (2) Hair follicles are sensitive to changes in cortisol, inflammation, and energy availability, all of which can fluctuate significantly during the postpartum period. (4)

In other words, your body is focused on survival and recovery first. Hair density just wasn’t the top priority.

3. Nutrient Depletion Plays a Role

Pregnancy and postpartum can significantly deplete nutrient stores, especially if you’re breastfeeding or struggling with consistent meals.

Nutrients commonly linked to postpartum hair shedding include:

• Iron

• Zinc

• Biotin

• Vitamin D

• Protein

Iron deficiency, in particular, has been strongly associated with diffuse hair loss in women. (5, 6) Even low ferritin levels within the normal range may impact hair cycling and regrowth. (6)

This doesn’t mean you “failed” nutrition; it means your body redirected resources where they were most needed.

For most women:

• Starts: 2–4 months postpartum

• Peaks: 4–6 months postpartum

• Improves: 6–12 months postpartum

By around one year postpartum, most women see visible regrowth, often as short “baby hairs” around the hairline or crown.

If hair loss persists beyond 12–15 months, or is accompanied by symptoms like fatigue, dizziness, or brittle nails, it’s worth checking in with a healthcare provider to rule out iron deficiency, thyroid imbalance, or other underlying causes. (5)

There’s no instant fix, but there are supportive, evidence-based ways to help your body through this phase.

1. Support Hair Growth from the Inside

Hair is made primarily of keratin, a protein structure that relies on adequate nutrient availability to grow and strengthen. (7)

Key nutrients shown to support hair health include: (7)

• Biotin – Supports keratin infrastructure

• Zinc – Involved in follicle recovery and tissue growth

• Vitamin C – Supports collagen synthesis and antioxidant protection

• Vitamin E – Helps protect hair follicles from oxidative stress

• Protein & Collagen – Provide structural support for hair strands

Because postpartum life isn’t always meal-prep-friendly, targeted supplementation can help fill nutritional gaps.

Mane Event™ is formulated to support hair, skin, and nail health with nutrients like Biotin, Zinc, Vitamin C, and Collagen, without excessive dosing or unnecessary fillers. It’s designed to support regrowth over time.*

2. Be Gentle with Your Hair 

Hair in the shedding and regrowth phase is more fragile. Now is not the moment for aggressive styling.

Supportive habits include:

• Using a wide-tooth comb on wet hair

• Avoiding tight ponytails or slicked-back styles

• Limiting heat styling when possible

• Choosing gentle, sulfate-free shampoos

No, washing your hair does not cause hair loss. The hairs you see were already in the telogen phase. (4)

3. Manage Stress Where You Can 

Chronic stress can influence cortisol levels, which play a role in hair cycling and inflammation. (4)

This doesn’t mean you need to “eliminate stress” (because… postpartum). Even small moments, deep breathing, stepping outside, asking for help, or prioritizing rest when possible, can support overall recovery.

4. Time + Consistency Matter Most

Hair grows slowly, about 1 centimeter per month. (3) Regrowth takes time, but consistency with nutrition, gentle care, and realistic expectations makes a real difference.

You don’t need to do everything perfectly. You just need to keep showing up.

Consider checking in with a healthcare provider if:

• Hair loss lasts longer than 12–15 months

• You notice patchy or scarring hair loss

• You have symptoms of anemia or thyroid imbalance

• Shedding feels extreme or sudden

Postpartum care doesn’t stop at 6 weeks, and neither should support.

Postpartum hair loss can feel jarring, emotional, and unfair, especially when you’re already navigating so much change. But it is temporary, common, and not your fault.

Your body is recalibrating after doing something extraordinary.

Supporting regrowth isn’t about “fixing” yourself; it’s about giving your body the tools it needs to recover, rebuild, and thrive in this new chapter.

You’re doing better than you think. Even on the days your hairbrush says otherwise.

1. Malkud, S. (2015). Telogen effluvium: A review. Journal of Clinical and Diagnostic Research, 9(9), WE01–WE03.

2. Harrison, S., & Sinclair, R. (2002). Telogen effluvium. Clinical and Experimental Dermatology, 27(5), 389–395.

3. Trueb, R. M. (2002). Diffuse hair loss. In Disorders of Hair Growth. Springer.

4. Headington, J. T. (1993). Telogen effluvium: New concepts and review. Archives of Dermatology, 129(3), 356–363.

5. Trost, L. B., Bergfeld, W. F., & Calogeras, E. (2006). The diagnosis and treatment of iron deficiency and its potential relationship to hair loss. Journal of the American Academy of Dermatology, 54(5), 824–844.

6. Kantor, J., et al. (2003). Decreased serum ferritin is associated with alopecia in women. Journal of Investigative Dermatology, 121(5), 985–988.

7. Almohanna, H. M., et al. (2019). The role of vitamins and minerals in hair loss: A review. Dermatology and Therapy, 9(1), 51–70.