I Have Thin Hair and These Are My 9 Most Effective Tips to Care for It (2023)

  • Hair
  • Haircare

Thicker, shinier hair is in reach with these simple tips.


Hallie Gould

I Have Thin Hair and These Are My 9 Most Effective Tips to Care for It (1)

Hallie Gould

Hallie Gould is Byrdie's editor in chief + GM. She has a decade's worth of experience as a writer and editor, and her bylines can be found in such publications as ELLE, Cosmopolitan, and InStyle.

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Updated on 08/18/22

Reviewed by

Sky Kim

I Have Thin Hair and These Are My 9 Most Effective Tips to Care for It (2)

Reviewed bySky Kim

Sky Kim is a hairstylist with over a decade of experience. She currently works at Serge Normant at John Frieda in New York City.


I Have Thin Hair and These Are My 9 Most Effective Tips to Care for It (3)

Here’s the truth: You can't change the size of your hair follicles. If you were born withfine hair, it’s genetics, and no product will completely alter that. Of course, there are ways to maintain your hair health, add volume, and keep it from getting any thinner. First, though, you have to better understand what’s going on in your body. There are tons oflifestyle choices that can leadto thinning hair (think: stress, hormones, thyroid issues, and diet), but if those things aren’t an issue, there are innovative products that can help beef up the look and feel of each strand. All you need is some research and education. And guess what? We did the heavy lifting for you.

Experts agree that we have to maintain a 360-degree view of our bodies to better understand each part of it—such is the case with fine hair texture. Below, we've outlined how to grow thicker hair, from supplements to incorporate into your routine to hair shampoos to slather on your strands. Keep scrolling for all the answers you need for how to make hair thicker.

01of 09

Address a Stress and/or Hormone Imbalance

Off-kilter hormones can affect the thickness of your hair. Women with thyroid imbalances, new mothers, and menopausal women, in particular, may experience hair loss due to a drop in levels of estrogen. "Optimal levels of estrogen help to grow full, thick hair while low estrogen levels lead to thin and stalled hair growth, eventually leading to hair loss," says Kristin Dahl, a Los Angeles–based nutritionist and women’s wellness educator. “Estrogen is secreted through the ovaries and adrenal glands, however, as the adrenals are typically overburdened due to stress, symptoms of menopauses like hair loss and hot flashes occur prematurely and excessively for some.”

While some things are out of your control (with or without medication), there are ways to help lower your stress hormone production and keep your hair healthier, shinier, and therefore thicker. Consult your doctor about supplements with adaptogenic herbs, like Ashwagandha root and leaf extract, and amino acids to support keratin production. The Ouai Thick and Full Hair Supplements ($42) include all of these strand-boosting ingredients for healthy hair growth.

02of 09

Up Your Intake of Healthy Fats

I Have Thin Hair and These Are My 9 Most Effective Tips to Care for It (4)

Your diet dictates so much of how you feel, what you look like, and what goes on inside your brain, and no one understands this better than Byrdie's former wellness editor, Victoria Hoff. She even convinced me to eat two avocados a day to see if it improved my hair health. (And guess what—it did.)

One study concluded that in the context of a healthy diet, avocado consumption can fit into a full range of healthy eating plans, as it houses significant levels of dietary fiber, potassium, magnesium, vitamin A, vitamin C, vitamin E, folate, and vitamin B6. Plus, a healthy diet rich in fatty acids aids in hair growth—it not only prevents hair loss and breakage but also encourages new hair growth and reduces scalp inflammation. So, go for avocados, salmon, and whole eggs as well as any others that offer up healthy fats and omega-3s.

03of 09

Avoid Dryness by Reducing Heat Styling

Heat styling inevitably irritates dry and breakage-prone hair. If you find your hair is thinning or you’d like it to look thicker, opt for air-drying as an alternative. Chances are it’ll grow at a quicker rate (and will look far healthier). And when it comes to your natural texture, investing in a few really helpful leave-in products to apply post-shower will let you have an entirely new lease on the hair you were born with. If you must, always apply a heat protectant before using hot tools—we love Morrocanoil's Perfect Defense Heat Protectant for this step.

04of 09

Cleanse with Sulfate-Free Shampoo

“Sulfates are the detergents responsible for the super-sudsy lather you get out of most shampoos,” explains celebrity hairstylist Michelle Cleveland. However, they are so effective at removing the dirt from your hair that they can also strip it of its natural oils and the proteins that make it look shiny and healthy. Unfortunately for your locks, this messes with its thickness. Instead, replace your sulfate shampoo with one that's chock-full of strand-loving ingredients that’ll nourish your hair instead of taking things away. You’ll have to get used to the fact that it won’t be as sudsy when you wash, but it’s worth it for the added thickness you’ll start to notice. We love the Pura D'Or Hair Thinning Therapy Shampoo because it restores hair's density and adds a healthy sheen.

05of 09

Brush From Ends to Roots to Reduce Breakage

I Have Thin Hair and These Are My 9 Most Effective Tips to Care for It (5)

So much damage and breakage can happen at the fault of your hair-brushing technique. Make sure to use the “bottoms-up” method as well as tools that are gentle on your hair."It's vital to detangle from thebottom up, starting at your ends, not your scalp," explainsFernando Salas, creator ofWhite Sands Haircare. "When you comb hair from the bottom up, you are working with less surface area to untangle at one time." Be extra gentle on your ends—that's where breakage comes from.

Use a boar-bristled brush for finer hair textures—they're strong enough to detangle and minimize breakage but gentle enough that they won't pull out hair strands.

06of 09

Opt for Volumizing Products

The right hair styling products go such a long way, and this rings especially true when it comes to finer hair types. When faking thickness, go for lightweight mousses that create lift at the root. This also helps when it comes to actually styling the hair, as it creates a grip that makes for thicker-looking styles. The Style + Protect On The Rise Root Lifting Mousse by Pureology breathes new life into roots and simultaneously adds shine, giving the illusion of sleeker, thicker, healthier-looking hair.

07of 09

Fill In Your Scalp to Mask Thinning

Too-tight ponytails? Mile-high buns? If you're guilty of any of these styles, you're likely the owner of thin hairs around the scalp and are looking for a solution to your perpetual question of how to thicken hair. The more sparse the scalp is at the hairline, the more it can appear thinner than it really is—that's where a root cover-up product comes in. Fans of the Color Wow Root Cover Up ($35) rave about its ability to mask thin hairs at the scalp and camouflage roots at the same time.

If you're looking for a long-term solution, dab on some of Naturalicious' Spanish Almond Regrowth Oil ($14) twice a day—it's a treatment oil that harnesses the hair growth benefits of Spanish almond oil and promises results in 90 days.

Key Ingredients

Almond oil is a hydrator that is rich in vitamin D, vitamin E, and various minerals. It helps soothe the skin from irritation and protect it from UV radiation damage.

08of 09

Give Yourself a Scalp Massage

Massages aren't just for relaxation. As a matter of fact, according to studies, massaging your scalp can help your hair grow thick and strong. The caveat? It was a 24-week study, so that means you'll need to commit to massages for the best result.

One of the easiest ways to get your massages is to use the help of an in-shower scalp brush—there's a strong chance you've seen them all over TikTok and Reels by now. Wet your hair, apply shampoo, and use the brush to massage and deep clean your scalp. You can leave it in the shower so it's always nearby on wash days.

09of 09

Shampoo with Lukewarm Water

I Have Thin Hair and These Are My 9 Most Effective Tips to Care for It (6)

Just like using heat tools on your hair can cause damage, shampooing and rinsing your hair with super hot water can also cause damage. Hot water can potentially dry out your scalp, stripping it of its natural oils (sort of like when you take a super hot shower and your skin feels really dry afterward). This can lead to breakage, which in turn can leave you with thin, lifeless hair.

To combat this, use lukewarm water when you wash your hair instead. And as a bonus, you'll likely end up reducing frizz as well!

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