Hair follicles typically grow back within one to two months as long as your scalp does not need to recover from damage. If your hair follicles are damaged, it can take up to four years until they are able to regrow hair normally unless it is permanent, in which case no new strands will grow.
Thinning hair can grow back depending on what caused it to thin in the first place. People who experience thinning hair due to nutrient deficiencies, stress, pregnancy, and other nongenetic reasons could experience regrowth. If you're experiencing new hair loss or hair thinning, it's best to consult your doctor.
Normally it takes about three months after the stressful event has happened for your hair to fall out. In addition, it can take three to six months for your hair to grow back after the root cause has been resolved.
It usually takes 15-25 years to go bald, but can be quicker. Typically, at first the hair begins to thin (recede) at the sides (temples). At the same time, the hair usually becomes thin on the top of the head. A bald patch gradually develops in the middle of the scalp.
Here's the hard truth: Little can be done to permanently change the diameter of individual hair strands. Thickening products can do wonders to temporarily plump hair strands, but when it comes down to it, fine hair is genetic and can't be changed.
The Ludwig scale defines three broad stages of hair loss. In stage 1, the hair on the top of the head begins thinning. In stage 2, the scalp starts to become visible. In stage 3, all of the hair at the crown may be lost, resulting in baldness.
If you can easily see your scalp through the hair, it's thin. If you can't, it's medium or thick.
Hair loss (alopecia) can affect just your scalp or your entire body, and it can be temporary or permanent. It can be the result of heredity, hormonal changes, medical conditions or a normal part of aging. Anyone can lose hair on their head, but it's more common in men.
Hurley. "Hair loss, however, is a different story. The problem won't go away on its own - it will requiring treating the underlying condition causing the hair loss. For example, if you're losing hair because you're not getting enough protein, the hair loss won't stop until you've adopted a higher protein diet."
Temporary hair loss is any form of hair loss that is generally triggered by a stressful event or a change in your normal, everyday events and habits. Temporary hair loss can occur anywhere between 2-4 months after the event that triggered it and can last up to 6-months.
When to see a doctor. See your doctor if you're concerned about how much hair you are losing every day. A gradual thinning on the top of your head, the appearance of patchy or bald spots on your scalp, and full-body hair loss are signs that there may be an underlying health condition.
"Sudden thinning hair can be a symptom of anemia (low red blood cell count), hormonal issues especially related to events like pregnancy, or a thyroid disorder, which are all very common in women," says Dr. Peredo.
The bottom line. There's no strong evidence to support using biotin for hair growth or to prevent hair loss in people without a deficiency. Because hair thinning and poor hair growth are sometimes associated with a biotin deficiency, correcting a deficiency can help restore hair growth in some people.
Hair thinning causes can include aging, your genes, shifting hormones, and your diet. Learn what else might be playing a role. Whether you're a woman or a man, it's normal for your hair to thin as you get older, according to Cleveland Clinic.
If you are experiencing thinning or balding, our Bosley experts recommend washing no more than three times a week.
Overall, Women's Rogaine 5% Minoxidil Foam for Hair Thinning and Loss is the top choice given the FDA-approved hair growth-boosting ingredient in its formula.
Less is better when it comes to thinning tresses, meaning less frequent shampooing, along with changing up the way you wash your hair.