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Beauty

The 7 Best Protein-Rich Foods Stylists Say Can Help Improve Hair Thickness And Shine

May 6, 2026 by Lisa Cupido
shefinds | Beauty
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You can invest in the most luxurious shampoos, conditioners, and styling treatments on the market, but truly healthy hair doesn’t start in the shower—it starts with what you put on your plate. Hair is made primarily of protein, which means your body needs the right nutrients to build strength, support hair growth, and maintain shine. Without a good diet, even the best products can only do so much, and they often mask issues rather than addressing what’s really going on beneath the surface.

If your goal is stronger, fuller, more resilient hair, it’s worth taking a closer look at what’s on your plate. A diet rich in high-quality protein can make a noticeable difference in how your hair looks and feels over time, helping to reduce breakage and support consistent growth. Here are seven protein-rich foods to start incorporating into your routine for healthier, more vibrant hair from the inside out.

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eggs

1. Eggs


Eggs are packed with high-quality protein, which provides the amino acids needed to produce keratin—the building block of hair. They’re also a rich source of biotin, a B vitamin closely linked to stronger, thicker strands and reduced breakage. Together, these nutrients help support steady hair growth and improve overall hair resilience.

oysters

2. Oysters


Oysters are one of the best dietary sources of zinc, a mineral essential for hair tissue growth and repair. Zinc also helps regulate oil production in the scalp, creating a healthier environment for hair follicles. In addition to protein, oysters contain iron and B vitamins, which further support stronger, fuller-looking hair.

red-meat

3. Red meat


Red meat delivers a powerful combination of protein and iron, both of which are crucial for healthy hair. Iron helps carry oxygen to hair follicles, which supports growth and prevents excessive shedding. The protein content strengthens the hair shaft, making strands look thicker and less prone to damage.

beans-tofu

4. Beans and Tofu


Beans and tofu are excellent plant-based sources of protein that help maintain hair structure and support growth. They’re also rich in iron, zinc, and biotin—key nutrients that contribute to stronger, healthier strands.

lentils

5. Lentils


Lentils provide a strong mix of protein, iron, and folate, all of which are essential for healthy hair growth. Iron helps deliver oxygen to the scalp, while folate supports the production of red blood cells that nourish hair follicles. Together, they encourage stronger, more resilient hair.

almonds

6. Almonds


Almonds are rich in vitamin E, a powerful antioxidant that helps protect hair from damage and supports a healthy scalp. They also contain protein and healthy fats, which contribute to smoother, shinier strands. Regularly eating almonds can help improve hair strength and give it a thicker, more polished appearance.

salmon

7. Salmon


Salmon is loaded with protein and omega-3 fatty acids, which nourish the scalp and help maintain hair density. Omega-3s support hydration and reduce inflammation, creating an optimal environment for hair growth. Combined with vitamin D and B vitamins, salmon helps promote stronger, glossier, and fuller-looking hair.

Author:

Lisa Fogarty is a lifestyle writer and reporter based in New York who covers health, wellness, relationships, sex, beauty, and parenting.

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