What You Can Actually Change About Your Hair Texture
You can change how your hair looks and feels, but not the texture you were born with. Your natural hair texture is determined by your hair follicles—the shape and structure are set genetically and do not change over your lifetime. What you can change is how your hair behaves day to day through styling, chemical treatments, and heat, though some of these changes are temporary and some cause permanent damage.
The confusion happens because people use "texture" to mean different things. When someone says their hair texture changed, they usually mean the way their hair looks when they style it—whether it appears straight, wavy, curly, or coily. That appearance can shift based on moisture, products, and how you manipulate the hair. But the underlying structure of your hair shaft stays the same.
Key Takeaways
- Your natural hair texture is determined by your hair follicles and does not change, but how your hair looks and behaves can be altered temporarily or permanently.
- Heat styling, chemical relaxers, and permanent waves can change your hair's appearance for weeks or months, but these methods damage the hair structure and require maintenance.
- Moisture, styling products, and how you dry your hair have the biggest temporary effect on texture appearance without causing damage.
- Temporary methods like blow-drying, braiding, or using styling creams let you change your look without altering the hair itself.
- If you use chemical or heat treatments to change texture, your hair will eventually grow out and reveal your natural texture again at the roots.
Temporary Texture Changes That Do Not Damage Hair
The safest way to change how your hair looks is to work with moisture and styling products. Wet hair is more pliable than dry hair, so the way you dry it shapes how it will look. If you have naturally curly hair and blow-dry it straight with a paddle brush, it will appear straight until you wash it again. If you have straight hair and braid it while damp, it will hold a wavy pattern for hours or days depending on how tight the braids are and how much moisture is in the air.
Styling products like creams, gels, and mousses change texture appearance by adding weight, hold, or definition. A curl-defining cream can make waves look more pronounced; a smoothing serum can make curls appear looser. These products wash out, so the change lasts only until your next shampoo. Finger-combing versus brush-combing also changes how your curls look—finger-combing keeps curls clumped together and defined, while brushing separates them and makes them appear fluffier or frizzier.
Protective styling like braids, twists, and buns can also temporarily alter texture. When you take down a braid, the section of hair that was braided will have a wavy or kinked pattern. This pattern fades as the hair dries and as you move around, but it lasts longer than blow-drying alone—sometimes several days if you keep the hair moisturized.
Chemical Treatments That Permanently Alter Hair Texture
Chemical relaxers and permanent waves (perms) change your hair texture by breaking and reforming the bonds inside the hair shaft. A relaxer uses chemicals like sodium hydroxide or calcium hydroxide to straighten curly or coily hair. A perm uses chemicals like ammonium thioglycolate to add curl or wave to straight hair. Both processes permanently alter the structure of the hair that is already on your head.
The key word is "permanent"—the change does not wash out. However, it only affects the hair that was treated. As your hair grows, the new growth at the roots will be your natural texture. Most people who use relaxers or perms have to touch up their roots every 4 to 8 weeks to keep the entire head looking uniform. The treated hair also becomes more fragile and prone to breakage, so it requires different care than untreated hair.
Chemical treatments carry real risks. If the chemicals are left on too long, they can burn your scalp or cause hair to break off. If you use relaxers or perms too frequently or combine them with heat styling, you can damage your hair so severely that it breaks at the roots and stops growing back in that spot. Many people who use these treatments long-term experience thinning or bald patches.
Heat Styling and Blow-Drying
Heat from blow-dryers, flat irons, and curling irons can temporarily straighten curly hair or add curl to straight hair. The heat opens the cuticle of the hair shaft and allows you to reshape it. As the hair cools, it holds that shape—until you wash it or expose it to humidity, which reopens the cuticle and lets the hair return to its natural texture.
Blow-drying straight hair with a round brush creates volume and wave; blow-drying curly hair with a paddle brush and tension straightens it. A flat iron can make any hair texture appear straighter and smoother. A curling iron can add waves or curls to straight hair. These changes last until the next wash or until humidity and movement gradually relax the shape back to natural.
The catch is that repeated heat styling damages hair over time. Heat breaks down the proteins in your hair shaft, making it drier, more brittle, and more prone to breakage and split ends. If you use heat styling daily without heat protectant products, you will see visible damage within weeks—dullness, frizz, and breakage. The damage is permanent to that section of hair; you cannot repair it, only cut it off.
Hair Texture Changes From Health and Hormones
Your hair texture can shift slightly due to changes in your body, though these shifts are usually subtle. Hormonal changes during puberty, pregnancy, and menopause can affect hair texture—some people's hair becomes curlier, others find it becomes straighter or thinner. Nutritional deficiencies, thyroid problems, and certain medications can also change how your hair grows, making it finer, coarser, or more fragile.
These changes happen because hormones and nutrition affect how your hair follicles function, not because your follicle shape has changed. If the hormonal or nutritional cause goes away, your hair texture may shift back. For example, some people's hair texture returns to normal after pregnancy once hormones stabilize. Others find the change is permanent—their follicles have adjusted to the new hormonal state.
If you notice a sudden change in your hair texture, it is worth checking with a doctor to rule out thyroid problems, nutritional deficiencies, or medication side effects. These are usually fixable, and your hair may improve once the underlying issue is addressed.
What Happens When You Stop Using Texture-Changing Methods
If you use heat styling, relaxers, or perms and then stop, your hair will gradually return to looking like your natural texture as new hair grows in and treated hair is cut off. The timeline depends on how much of your hair was treated and how fast your hair grows. Most people's hair grows about half an inch per month, so if you had a relaxer and want to transition back to natural texture, it takes about a year to two years to grow out enough hair to cut off all the treated portion.
During the transition period, you will have two different textures on your head—your natural texture at the roots and the treated texture further down the hair shaft. This creates a line of demarcation where the two textures meet, and that area is often fragile because it is where two different hair structures join. Many people choose to wear protective styles like braids or buns during this time to minimize breakage at the line of demarcation.
If you have been using heat styling regularly and stop, your hair will look noticeably different within a few weeks. Without the daily heat, your natural texture will be more apparent, and you may see that your hair is curlier, wavier, or frizzier than you thought. Your hair will also be healthier—less brittle and prone to breakage—because you are no longer damaging it with heat.
Choosing a Method Based on Commitment and Hair Health
If you want to change your texture without damaging your hair, stick to temporary methods: blow-drying, styling products, braiding, and moisture-based techniques. These methods let you experiment with different looks and switch back whenever you want. The only cost is time and the price of products.
If you want a longer-lasting change and are willing to accept some damage and maintenance, chemical relaxers or perms are an option—but understand that you will need touch-ups every 4 to 8 weeks, your hair will be more fragile, and you will eventually have to cut off the treated hair if you want to return to your natural texture. Heat styling falls in the middle: it is temporary and reversible, but daily use causes cumulative damage.
Before choosing any method, consider your hair's current health. If your hair is already dry, brittle, or breaking, adding chemical treatments or daily heat styling will make it worse. If your hair is healthy and strong, you have more room to experiment—but you should still use heat protectant products and limit heat styling to a few times a week rather than daily.
Frequently Asked Questions
Can I permanently change my natural hair texture without chemicals?
No. Heat styling and physical manipulation like braiding are temporary—your hair returns to its natural texture once you stop using those methods or wash your hair. Only chemical treatments like relaxers or perms permanently alter the hair structure, and even those only affect the hair that was treated; new growth will be your natural texture.
Will my hair texture go back to normal if I stop using relaxers?
Your hair will not change texture, but new hair growing in will be your natural texture. You will have to grow out the relaxed hair and cut it off, which usually takes one to two years depending on how much hair you had relaxed and how fast your hair grows. During that time, you will have two textures on your head.
Does blow-drying damage hair permanently?
Blow-drying causes damage that is permanent to that section of hair—you cannot repair it. However, the damage is not permanent to your hair overall because new hair grows in undamaged. If you stop blow-drying, your new growth will be healthy; the damaged hair will gradually be cut off or shed naturally.
Can humidity change my hair texture?
Humidity can change how your hair looks temporarily by affecting how moisture sits in your hair shaft, but it does not change your actual texture. High humidity makes curly hair frizzier and can relax waves; low humidity can make hair appear drier and more defined. These changes reverse when humidity levels change.
What is the least damaging way to straighten curly hair?
Blow-drying with a paddle brush and heat protectant product is less damaging than chemical relaxers, though it still causes some damage with daily use. The least damaging option is to use styling products and moisture to temporarily smooth your curls without heat. If you want a permanent change, chemical relaxers last longer but cause more damage and require ongoing maintenance.