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Fremont, CA
A 36-year-old male asked:

Please share an interesting fact about hair care.

78 doctor answers87 doctors weighed in
Dr. Heidi Gilchrist
A Verified Doctoranswered
17 years experience
Blondes: Blondes have less hair follicles on their scalp than brunettes do = thinner hair.
Dr. Morris Westfried
Dermatology 47 years experience
Redheads: Redheads have less hairs than other hair colors.
Dr. Cheryl Levin
Dermatology 17 years experience
Nails: Nails and hair are made of the same basic protein, called keratin.
Dr. Cheryl Levin
Dermatology 17 years experience
On: On average, a single hair's life span is about 5 years.
Dr. Cheryl Levin
Dermatology 17 years experience
The: The average scalp has about 100, 000 hairs.
Dr. Cheryl Levin
Dermatology 17 years experience
Hair: Hair loss is sometimes related to thyroid imbalance and iron stores.
Dr. Cheryl Levin
Dermatology 17 years experience
Some: Some medications may cause hair loss.
Dr. Cheryl Levin
Dermatology 17 years experience
Washing: Washing your hair more often does not, generally, cause more hair loss.
Dr. Arthur Balin
Dermatology 48 years experience
Dermatologists: Dermatologists are the experts in the medical, surgical and cosmetic treatment of skin, hair, nails.
Dr. Arthur Balin
Dermatology 48 years experience
Dermatologists: Dermatologists are medical doctors who diagnose and treat skin, hair and nail conditions.
Dr. Arthur Balin
Dermatology 48 years experience
Myth:: It's a myth that: if you cut your hair, it will grow faster.
Dr. Arthur Balin
Dermatology 48 years experience
Human: Human hair grows in cycles with a growth phase followed by a resting phase.
Dr. Arthur Balin
Dermatology 48 years experience
On: On average blondes have 120, 000 scalp hairs; brunettes have 100, 000; redheads have 80, 000.
Dr. Arthur Balin
Dermatology 48 years experience
Tight: Tight plaiting of the hair, as in cornrows or pigtails, or tight ponytails can cause hair loss.
Dr. Arthur Balin
Dermatology 48 years experience
Many: Many women develop diffuse thinning of the hair as they grow older. (androgenetic alopecia).
Dr. Arthur Balin
Dermatology 48 years experience
Excess: Excess facial hair in women may indicate a hormonal imbalance.
Dr. Arthur Balin
Dermatology 48 years experience
An: An enlarged pore is the opening of a follicle that has a tiny hair and a large active oil gland.
Dr. Arthur Balin
Dermatology 48 years experience
There: There is no scientific evidence that plucking makes hairs coarser, or darker, or increases growth.
Dr. Arthur Balin
Dermatology 48 years experience
Ingrown: Ingrown hairs: closely cut coarse curly beard hair may curve back and renter the skin.
Dr. Heidi Fowler
Psychiatry 26 years experience
If: If you want healthy skin & hair ensure you have an adequate vitamin a intake.
Dr. Arthur Balin
Dermatology 48 years experience
Boils: Boils are infections of the skin caused by bacteria usually starting in hair follicles.
Dr. Joshua Fox
Dermatology 40 years experience
Blow: Blow dry your hair on cool setting so as to not dry out the hair so much!
Dr. Sophie Duriez
Psychiatry 33 years experience
To: To keep hair healthy, choose good brand shampoo and avoid using it daily! once or twice a week is ok.
Dr. Arthur Balin
Dermatology 48 years experience
Electrolysis: Electrolysis uses an electric current to kill hair at its source, the hair papillae.
Dr. Arthur Balin
Dermatology 48 years experience
Colored: Colored or permed hair needs extra moisture, esp. In summer. Comb a dime sized dab of conditioner.
Dr. Arthur Balin
Dermatology 48 years experience
Coloring: Coloring weakens the hair by breaking down the disulfide bonds in the hair shaft. Don't do it often.
Dr. Arthur Balin
Dermatology 48 years experience
Colored: Colored hair: avoid products with lots of mineral oil or silicone which can strip color.
Dr. Arthur Balin
Dermatology 48 years experience
Brittle,: Brittle, heat damaged hair: use shampoos with added moisturizers like glycerine, butylene glycol, ..
Dr. Arthur Balin
Dermatology 48 years experience
If: If your neck is thick bring some hair forward from the sides of the neck or cut your hair in longish.
Dr. Geoffrey Rutledge
Internal Medicine 42 years experience
Red: Red heads have less hairs than blonds or brunettes.
Dr. Geoffrey Rutledge
Internal Medicine 42 years experience
Lasers: Lasers do not work on white or grey hair.
Dr. Coyle Connolly
Dermatology 30 years experience
Thick: Thick scalp scale (dandruff) may respond to olive oil applied to the skin several times a week.
Dr. Tracy Lovell
Internal Medicine - rheumatology 22 years experience
Sudden: Sudden onset of kinky curly or brittle hair can be associated with hypothyroidism.
Dr. Wenjay Sung
Podiatry 15 years experience
The: The us spends about $20 billion annually on hair care products.
Dr. Coyle Connolly
Dermatology 30 years experience
Wearing: Myth: wearing hats and helmets contributes to male-patterned baldness.
Dr. Monib Zirvi
Dermatology 22 years experience
Biotin,: Biotin, zinc, and iron are all important vitamins and minerals for optimal hair growth.
Dr. Monib Zirvi
Dermatology 22 years experience
Between: Between 50 and 100 hairs are shed each day on average. Shedding this level of hair is not abnormal.
Dr. Wei-shin Lai
Family Medicine 20 years experience
You: You don't have to wash your hair daily. That dries it out!
Dr. Wei-shin Lai
Family Medicine 20 years experience
A: A scalp massage and hair brushing is very relaxing and helps humans bond.
Dr. David Sire
Dermatology 55 years experience
Avoid: Avoid ultraviolet light as much as possible as it damages hair.
Dr. Tod Haller
Ophthalmology 17 years experience
Most: Most people assume they have dandruff when they have dry scalp. Dandruff shampoo will worsen it.
Dr. Tod Haller
Ophthalmology 17 years experience
Most: Most people assume they have dandruff when they have dry scalp. Dandruff shampoo will worsen it.
Dr. Pavel Conovalciuc
Family Medicine 24 years experience
No: No matter what techniques you recur to, you cannot add or make any of your hair longer.
Dr. J. Lawrence Dohan
Dermatology 58 years experience
Massing: It's a myth that massaging the scalp can stimulate hair growth.
Dr. Gregory LaMorte
Periodontics 43 years experience
Once: Once you have found an anti-dandruff shampoo that works for you, keep on using it.
Dr. Gregory LaMorte
Periodontics 43 years experience
Use: Use a mild shampoo. Stronger shampoos can irritate and dry out your hair.
Dr. Ihab Ibrahim
Pain Management 30 years experience
Giving: Giving yourself a scalp massage is easy & can do to relieve tension, improve hair health!
Dr. Antoanella Calame
Pathology 20 years experience
Chlorine: Chlorine and salt water can dry, discolor, and damage your hair. Make sure to rinse after you exit.
Dr. Joseph Bark
Dermatology 50 years experience
Hair: Hair conditioners smooth the tiny shingles on hairs so that they glide over each other easier.
Dr. Joseph Bark
Dermatology 50 years experience
Shaving: Shaving your hair will not make it grow stiffer or faster.
Dr. Joseph Bark
Dermatology 50 years experience
Eyebrows: Eyebrows do grow back even if they're shaved. It just takes a longer time.
Dr. Caroline Cribari
Psychiatry 24 years experience
Hair: Much of hair health is due to nutrition and lifestyle, water, and low stress.
Dr. M. Christine Lee
Dermatology 29 years experience
Healthy: Healthy hair needs natural oil but not too much or too little. Best to wash every other day.
Dr. Jeffrey Fromowitz
20 years experience
Sulfate: Sulfate free shampoos are better for sensitive breakage prone hair.
Dr. Harold Peltan
Ophthalmology 29 years experience
The: The type of skin you have affects the type of hair you have. Dry skin, dry hair.Oily skin, oily hair.
Dr. Harold Peltan
Ophthalmology 29 years experience
You: You can prevent split ends, but you can't cure them except by trimming them off.
Dr. Heidi Fowler
Psychiatry 26 years experience
HAIR: Hair health: the average person grows six inches of hair per year.
Dr. Heidi Fowler
Psychiatry 26 years experience
HEALTHY: Healthy hair: the average person grows a half inch of hair per month.
Dr. William Harris
Family Medicine 34 years experience
When: When you look at hair under a microscope, everybody's hair looks different -- like fingerprints.
Dr. Syed H. Sajid
General Adult Psychiatry; Child & Adolescent Psychiatry ( 1 yr. Fellowship), sees all types of patients for Medication Management from ages 6-99yo 30 years experience
The: The same nutritious food that are good for your body promote stronger, healthier hair.
Dr. Ihab Ibrahim
Pain Management 30 years experience
If: If you don't try to burn it with blow drier, and curlers, guys will be happier for it.
Dr. Donald Jacobson
A Verified Doctoranswered
41 years experience
Protein,: Protein, zinc, selenium, and biotin are all important for hair growth.
Dr. Osman Farooq
Pediatrics - Neurology 21 years experience
When: When drying your hair with a towel, don't rub too hard, as this an break you hair follicles.
Dr. Emily Ridgway
22 years experience
Try: Try washing your hair less often. You can rinse with warm water daily but use shampoo less often.
Dr. Jane Steiner
Psychiatry 44 years experience
Ignore: When drying curly hair, use a white t shirt and not a towel to prevent frizz . It actually works!
Dr. Ihab Ibrahim
Pain Management 30 years experience
Alopecia: Alopecia areata is characterized by the sudden onset of discrete areas of non-scarring hair loss.
Dr. Ihab Ibrahim
Pain Management 30 years experience
Alopecia: Alopecia areata is characterized by the sudden onset of discrete areas of non-scarring hair loss.
Dr. Marsha Davis
Internal Medicine 29 years experience
Ignore: It's a myth that: washing hair daily is good for your hair.
Dr. Marsha Davis
Internal Medicine 29 years experience
Ignore: Blow drying on high heat caused split ends.
Dr. Vicki Levine
Dermatology 42 years experience
Ignore: Unless you have a problem with your scalp it is probably best for your hair not to wash it everyday.
Dr. Trachella Johnson foy
Family Medicine 21 years experience
Ignore: Sulfates used in shampoos that make them lather can dry your hair out.
Dr. Trachella Johnson foy
Family Medicine 21 years experience
Ignore: Hair can be over processed with too many chemicals.
Dr. Tod Haller
Ophthalmology 17 years experience
Ignore: Some people think dandruff shampoo will cure a dry scalp. It'll actually make the dryness worse.
Dr. Ryan Phasouk
Family Medicine 19 years experience
Ignore: Trichoptilosis is the medical term for hair that has "split ends".
Dr. Michael Fisher
Dermatology 33 years experience
Ignore: Over-processing is the most common reason for dull hair.
Dr. William Coutts ii
Family Medicine 27 years experience
Ignore: Healthy hair is more about eating a good nutritional diet, than anything that you put on your hair.
Dr. Thomas Mcgowan
Specializes in Family Medicine
Ignore: If you are losing your hair, consider checking your ferritin level, should be over 50.
Dr. Liza Shiff
Anti-Aging Medicine 30 years experience
Ignore: Bleach blonde hair is less likely to be infected with lice!

Similar questions

Fremont, CA
A 36-year-old male asked:

Please share some do's and don'ts when it comes to hair care.

92 doctor answers74 doctors weighed in
Dr. Heidi Gilchrist
A Verified Doctoranswered
17 years experience
Comb: Comb your conditioner through your hair in the shower and then don't rinse before blotting dry.
Last updated Jan 15, 2019
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