To make thinning hair grow thicker, focus on a nutrient-rich diet (protein, iron, omega-3s, biotin), gentle hair care (avoid heat/chemicals, use moisturizing products), stress reduction, scalp stimulation (massage, light therapy), and consider professional treatments like PRP or laser therapy for more stubborn thinning, all supporting healthier, stronger hair from the follicle outward.
How to make your hair thicker step by step
You cannot fully rewrite genetics, but you can substantially improve hair thickness appearance and slow or partially reverse miniaturization using scalp care, nutrition, gentle styling, topical treatments (notably minoxidil), and selected procedures.
The "Big 3" for thinning hair, especially male/female pattern baldness, are typically Minoxidil (Rogaine), Finasteride (Propecia), and sometimes Ketoconazole shampoo, or even Microneedling, forming a multimodal approach to stimulate growth and block hormones (DHT) causing hair loss, with Minoxidil boosting circulation, Finasteride inhibiting DHT, and Ketoconazole reducing inflammation and acting as a mild anti-androgen.
No — shaving hair doesn't change its thickness, color or rate of growth.
With fine hair, you should avoid heavy, oil-based products, over-conditioning, excessive heat, and tight hairstyles to prevent it from being weighed down, greasy, or damaged; instead, opt for lightweight volumizing products, gentle washing, minimal heat, and loose styles, treating it delicately to prevent breakage and keep it looking full.
The most common options include: Minoxidil (Rogaine). Over-the-counter (nonprescription) minoxidil comes in liquid, foam and shampoo forms. To be most effective, apply the product to the scalp skin once daily for women and twice daily for men.
Vitamin deficiencies, particularly iron, Vitamin D, Biotin (B7), B12, and Zinc, can cause hair loss by disrupting hair follicle function, keratin production, or oxygen supply, leading to thinning, shedding, or brittle strands; though rare, deficiencies in Folic Acid, Niacin (B3), and Vitamin A (excess is also harmful) can also contribute.
Groot is one of the most popular Korean beauty brands for scalp care and hair loss treatments due to its esteemed credentials. Although Dr. Groot isn't an actual person, the brand is supported by doctors who have performed extensive scalp and hair research, and every product is clinically tested for proven results.
Avoid styling carelessly
Treating your hair roughly while brushing, overdoing the heat styling or frequently wearing tight hairstyles can cause hair breakage, which only increases the appearance of thinning hair. Being gentle while styling is a key part of how to make thin hair look thicker.
Conclusions. Despite its popularity in the media and amongst consumers, biotin has no proven efficacy in hair and nail growth of healthy individuals. Only 1 study has shown decreased levels of biotin in healthy individuals, though this data was confounded by multiple factors, including patient history.
Hair Thickening Shampoos
Most experts recommend washing thinning hair 2-3 times per week to maintain optimal scalp health. This schedule allows your scalp's natural oils to nourish and protect your hair follicles while preventing excess buildup.
The "2-inch hair rule" (or the 2.25-inch rule) is a popular hairstyling guideline to see if short hair suits you: place a pencil horizontally under your chin and a ruler vertically under your ear, then measure the distance where they meet; if it's less than 2.25 inches, short hair is generally flattering, but if it's more, long hair often complements your features better, though personal style and hair type also matter.
The cuticle layer in Asians is thicker with more compact cuticle cells than that in Caucasians. Asian hair generally exhibits the strongest mechanical properties, and its cross-sectional area is determined greatly by genetic variations, particularly from the ectodysplasin A receptor gene.
The study identified the Czech Republic as having the highest prevalence of baldness, where over 40% of adult males are affected. This is mainly due to genetics, hormonal factors, and lifestyle.
Although a deficiency in B12 may lead to hair loss, research does not suggest that people who do not have a deficiency can improve their hair growth by using a supplement. Nevertheless, getting enough vitamin B12 is essential for overall health. Good sources of vitamin B12 include meat, dairy, and other animal foods.
High-saturated fat Foods are the third harmful culprit because they can cause hormonal imbalances, leading to reduced hair and scalp health, commonly known as hormone-related hair loss. High-saturated fat foods include fried foods, fatty meats, butter, cheese, and oils.
In conclusion, while vitamin D is essential for healthy hair growth, too much can potentially lead to hair loss.
A proven treatment for female-pattern baldness is a hair lotion containing minoxidil. After using it, many women see improvements, including a slowing or stopping altogether of balding, as well as thicker hair.
Options like prescription medications (finasteride, minoxidil), platelet-rich plasma (PRP), and low-level laser therapy may help dormant follicles re-enter the growth cycle. But here's the key: once follicles are dead, the only way to restore hair in that area is through transplantation.
Medications linked to hair thinning include chemotherapy and immunosuppressants; anticoagulants (heparin, warfarin); cholesterol and cardiovascular drugs (statins, beta-blockers, ACE/ARBs); retinoids (isotretinoin); antidepressants, mood stabilizers, and some antiepileptics (lithium, valproate); hormonal and thyroid ...