Keratin and Hair Growth

Hair loss is a problem that affects not only men but also women. It is caused by various factors, ranging from genetics, stress, illness, vitamin deficiencies to aging. Hair loss treatments and products such as hair loss shampoo, supplements, minoxidil, oil, laser and hair fiber are designed to improve this hair condition differently based on the causes of hair loss. Therefore, to treat this hair problem properly, you need to understand your causes of hair loss.

Keratin is one of treatments people think about when it comes to solving hair loss and promoting hair growth. In this article, we will discuss about how keratin treatment helps improve hair loss condition, its side effect and efficiency.

What is Keratin?

Keratin is a protein that naturally occurs in our bodies. Specifically, this protein gives structure to individual strands of hair. It is also found in the skin and fingernails.


Does Keratin Help Hair Growth?

Keratin nourishes the hair and helps repair damaged strands. It gives hair elasticity and strength. When hair is healthy and nourished, it grows better and faster.


Keratin Supplements: What are They Made of?

Keratin is not a vitamin—it is a protein. You must eat enough daily protein for your body to properly make keratin. The Institute of Medicine recommends that 10 to 35 percent of your daily calorie intake should come from protein.

Vitamins aid in creating proteins like keratin. There are several important vitamins that your body needs to make keratin, such as Vitamins A and D, and biotin.

Most hair supplements contain a mixture of vitamins that are important in the production of keratin, but some supplements actually contain keratin itself. In pill form, keratin is usually a mixture of soluble keratin (cynatine HNS) with other substances or herbs. Very little research has been done on these supplements and on the short and long-term effects.

Most experts agree that you should consult a medical professional before taking a keratin supplement. Taking these supplements in high doses can be harmful.


Keratin Side Effects and Overdose

If you take too much of these supplements, that can lead to excess protein which can damage. If you take too much, and your body doesn’t need it, your body will get rid of the protein by dumping it into your urine. The excess protein causes a condition called proteinuria. The extra protein puts your kidneys into overdrive as they try to deal with the excess. Over time, that extra effort can take a toll on the kidneys and lead to reduced kidney function (called renal insufficiency) or even kidney failure. This can happen with any excess protein, including keratin.

Specifically, when you have too much keratin, that is a condition called hyperkeratosis. Some people’s bodies make too much, but the condition can be caused by ingesting too much. Your skin may feel dry, course, rough or thick, and your hair might feel the same way. If you start to have these symptoms and suspect they might be caused by a keratin supplement, you should discontinue use and call your doctor.


If Keratin is Essential for Hair Growth, Why Some Keratin Treatments Cause Hair Loss?

Keratin supplements are relatively new. For a while now, keratin topical hair treatments have been used to smooth hair. The claim is that the treatments add keratin to your hair follicles, thus adding new vigor to them to promote hair growth.

However, these treatments can be harmful in two ways. First, the process involves high heat. The keratin mixture is applied to the hair and a flat iron is used to seal the protein into your hair strands. Flat iron temperatures can be as high as 450 degrees Fahrenheit and can damage hair, actually breaking down the natural keratin structure. Second, the topical mixture itself is harmful. Keratin protein is mixed with formaldehyde, a hazardous chemical and known cancer-causing agent. Many customers experience damaged, thinning hair after these treatments.

Keratin is also found in products that thicken hair. These formulations don’t use formaldehyde, so they’re safe, and adding keratin does make hair stronger and less prone to breakage. The keratin bonds to a hair strand’s rough edges to repair damage. Keratin-enhanced shampoos and conditioners, as well as other hair products, are safe and effective as well.


Foods that Promote Keratin

Sufficient dietary intake of protein and supplements containing vitamins that help keratin production in the body are the best way to promote hair health and growth.

Keratin is a protein, but it is not naturally occurring in food. Eating foods with certain vitamins is the best method to boosting your body’s keratin production.

Amino acids are the building blocks of all proteins, including keratin. High-protein foods like eggs, meats and fish, and beans will ensure your daily diet contains sufficient calories derived from protein. Check out how amino acid can promote hair growth.

There are several vitamins important for hair growth:

  • Biotin helps the body use amino acids to build proteins like keratin. Whole grains, beans, nuts, mushrooms and cauliflower are all great sources of biotin.
  • Vitamin A helps the body synthesize keratin. Orange-colored fruits and vegetables like carrots, pumpkins, squashes and sweet potatoes are good sources, as are greens like kale and spinach.
  • Vitamin E helps repair and build body tissues and repair damaged hair follilcles. Fish, peanuts, almonds and sunflower seeds are all good sources of vitamin E.
  • Vitamin C helps the body create collagen which is important to the structure of hair. Broccoli, citrus fruits and tomatoes are excellent sources of vitamin C.


There are many hair growth vitamins on the market designed to increase keratin intake. Ultrax Labs Hair Rush DHT Blocking Hair Loss Supplement not only provides keratin and other 23 essential vitamins but also contains DHT blockers to tackle hair loss that is caused by DHT. HairAnew (Unique Hair Growth Vitamins with Biotin) contain 11 ingredients including that are beneficial for hair growth. You can give it a try with risk free trial because it offers a 100% money back guarantee if you don’t like the product.

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