Curl Science by Curl Centric

Curl Centric
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  • Fashion & Beauty
  • Updated Weekly

Curl Science checks popular hair advice against the research, one question at a time. Does rice water help your hair grow? Does the porosity float test work? Why does your hair keep breaking no matter what you do? Each weekly episode runs about six minutes, covers every curl type from 2A to 4C, and ends with what you’ll want to try on your next wash day. The show comes from Kenneth and Kira Byrd, the husband-and-wife team who have run Curl Centric since 2008. Researched and written by Curl Centric. Read by an AI voice.

Episodes

  1. Oct 20

    How Often Should You Wash Curly Hair?

    Researched and written by Curl Centric. Read by an AI voice. Sources are listed below. Curly and coily hair can usually go longer between washes than straight hair, but your scalp can't wait forever. We explain both sides and how to find a wash schedule that works for your hair. The full guide, with every source: https://www.curlcentric.com/how-often-should-you-wash-your-hair/ Our free wash day builder: https://www.curlcentric.com/wash-day-routine/

  2. Oct 13

    What Does Your Hair Type Actually Tell You?

    Researched and written by Curl Centric. Read by an AI voice. Sources are listed below. The 1A to 4C chart started with a stylist's book, not a lab. We explain how to read it, what it can't tell you about your hair, and what to check instead when you choose products. The full guide, with every source: https://www.curlcentric.com/hair-typing-system/ Our hair porosity quiz: https://www.curlcentric.com/hair-porosity-test/

  3. Oct 8

    How Do You Get Rid of Dandruff?

    Researched and written by Curl Centric. Read by an AI voice. Sources are listed below. Dandruff isn't just a dry scalp, and the oil you add may be feeding it. We explain what causes it, how to use a dandruff shampoo when you only wash once a week, and when flakes need a doctor instead. The full guide, with every source: https://www.curlcentric.com/why-do-i-still-have-dandruff-after-washing-my-hair/

  4. Oct 3

    Does Biotin Really Help Hair Grow?

    Researched and written by Curl Centric. Read by an AI voice. Sources are listed below. Biotin helps your hair when you're actually low in it, and that's rare. We go through what the research tested, what's in the bottle, and why high doses can throw off your blood tests. The full guide, with every source: https://www.curlcentric.com/biotin-for-hair-growth/ One-page printable of biotin's daily amounts by age and life stage: https://www.curlcentric.com/wp-content/uploads/2026/09/curl-centric-biotin-intake-levels.pdf

  5. Sep 27

    Does Castor Oil Make Hair Grow?

    Researched and written by Curl Centric. Read by an AI voice. Sources are listed below. We followed the castor oil claim back to where it started. Then we tell you what castor oil has actually been shown to do for your hair. The full guide, with every source: https://www.curlcentric.com/using-castor-oil-natural-hair-growth/

  6. Sep 27

    Does Rosemary Oil Really Grow Hair?

    Researched and written by Curl Centric. Read by an AI voice. Sources are listed below. The main study behind rosemary oil was done on 100 men with pattern hair loss, and it never measured length. We explain what it can and can't tell you about your hair. The full guide, with every source: https://www.curlcentric.com/rosemary-oil-for-natural-hair/

  7. Sep 27

    Why Does My Hair Keep Breaking?

    Researched and written by Curl Centric. Read by an AI voice. Sources are listed below. Curly hair is not weak hair. We go through what dermatologists found when they looked for a weakness, and the everyday habits that cause most breakage. The full guide, with every source: https://www.curlcentric.com/hair-breakage/

  8. Sep 27

    Does Rice Water Really Help Hair Grow?

    Researched and written by Curl Centric. Read by an AI voice. Sources are listed below. The rice extract researchers tested is not the rice water in your jar. We explain the difference, and show you how to test rice water on your own hair over eight weeks. The full guide, with every source: https://www.curlcentric.com/rice-water-for-hair/

  9. Sep 27

    Does the Hair Porosity Float Test Work?

    Researched and written by Curl Centric. Read by an AI voice. Sources are listed below. A strand in a glass of water can't tell you your porosity. We explain why, and what your wash day can tell you instead. The full guide, with every source: https://www.curlcentric.com/hair-porosity/

  10. Sep 27

    How Fast Does Hair Grow?

    Researched and written by Curl Centric. Read by an AI voice. Sources are listed below. Half an inch a month is one of two answers from the same study. We walk you through both numbers, whose hair each one came from, and what they mean for your length. The full guide, with every source: https://www.curlcentric.com/how-long-does-it-take-for-hair-to-grow/

  11. Season 1 Trailer

    Curl Science Trailer

    Researched and written by Curl Centric. Read by an AI voice. Sources are listed below. Curl Science checks one piece of curly hair advice a week against the research, in about six minutes, for every curl type from 2A to 4C.

  • 1 Trailer
    10 Episodes

Trailer

About

Curl Science checks popular hair advice against the research, one question at a time. Does rice water help your hair grow? Does the porosity float test work? Why does your hair keep breaking no matter what you do? Each weekly episode runs about six minutes, covers every curl type from 2A to 4C, and ends with what you’ll want to try on your next wash day. The show comes from Kenneth and Kira Byrd, the husband-and-wife team who have run Curl Centric since 2008. Researched and written by Curl Centric. Read by an AI voice.

Information