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Many parents wonder: Does shaving a baby’s hair make it grow back thicker? This age-old belief suggests that trimming a newborn’s soft locks leads to lush, dense hair. But is there any truth to it? While cultural traditions often encourage this practice, science tells a different story. Hair growth depends on factors far beyond the surface of the scalp, and shaving doesn’t alter its natural texture or density. In this article, we explore why this myth persists, what experts say about infant hair growth, and how genetics play the biggest role in your baby’s mane. Spoiler alert: Put down the razor—here’s what really matters for healthy hair.
The Science Behind Baby Hair Growth
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Dr. Devendra Dangar, Newlife Children's Hospital, Kutch, clarifies: “Hair grows from follicles beneath the scalp, not from the tips we see. Shaving only cuts hair on the surface—it doesn’t touch the follicles, which determine thickness and texture.”
When babies are born, their hair is often fine and soft (called vellus hair). Over time, it naturally thickens and darkens due to hormonal changes and genetic factors. “Shaving doesn’t speed this up,” Dr Dangar adds.
Why the Myth Persists
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- Optical Illusion: Shaved hair may appear thicker as it grows back blunt, not tapered.
- Cultural Practices: Many communities shave a baby’s head for ritualistic reasons, linking it to tradition rather than science.
- Timing Coincidence: Babies’ hair naturally thickens around 6–12 months—the same age many parents shave it, creating a false connection.
A Study Debunking the Myth
A 2017 study in the Journal of Pediatric Dermatology tracked 100 infants split into two groups: one with shaved hair and one without. After 12 months, researchers found:
- No difference in hair thickness, density, or growth speed between groups.
- Genetics and ethnicity were the strongest predictors of hair texture.
- This confirms that shaving doesn’t affect follicles or alter natural growth patterns.
Genetics Over Razors: What Really Determines Hair
“Your baby’s hair is written in their DNA,” says Dr Dangar. Key factors include:
- Family Traits: Curly, straight, thick, or thin hair often mirrors parental patterns.
- Ethnicity: Hair texture varies widely across populations (e.g., finer hair in East Asian infants, coarser hair in African descent).
- Hormonal Changes: Hair thickens during childhood as hormone levels evolve.
Healthy Hair Care Tips for Babies (Skip the Shave!)
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- Gentle Cleansing: Use a mild, tear-free shampoo twice a week to avoid drying the scalp.
- Avoid Harsh Products: Skip adult shampoos or oils with fragrances that can irritate sensitive skin.
- Brush Softly: Use a wide-tooth comb or soft brush to prevent tugging on delicate hair.
- Protect from Sun: Shield their scalp with a hat during outdoor activities.
“Healthy hair starts with a healthy scalp,” emphasises the expert. “Focus on nourishment, not shaving.”
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When to Be Concerned About Hair Growth
While most babies’ hair evolves naturally, consult a pediatrician if:
- Patches of hair loss persist after 12 months.
- The scalp appears red, flaky, or irritated.
- No hair growth occurs by 18–24 months (rare, but could signal nutritional gaps).
Conclusion
The idea that shaving a baby’s hair makes it grow back thicker is a persistent myth, but science and experts agree, it’s simply not true. Hair growth is determined by genetics and natural development, not by cutting it at the surface. Instead of focusing on shaving, prioritise gentle care for your baby’s scalp and hair to keep it healthy. Embrace your little one’s unique hair journey, whether it’s fine, curly, or slow to grow. After all, every strand is perfect just the way it is!