How to Grow Thicker, Fuller Hair, According to a Dermatologist


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We know how frustrating it can be to experience hair loss or hair thinning, especially when you can’t pinpoint the cause. But luckily, there are tons of different products out there to target and treat these issues. But with so many products out there with claims that seem too good to be true, how do we know which actually work? To find out, we spoke with board-certified dermatologist Dr. Sheila Farhang to find out what causes hair thinning or hair loss and which products are best for re-growing hair.

What Causes Hair Thinning and Hair Loss?

To start, let’s address one important question: is there a difference between hair loss and hair thinning. According to Dr. Farhang, “hair thinning is technically a decrease in the actual strand width causing breakage” while hair loss refers to “decrease in density of hair on the scalp.”

Hair loss and hair thinning are multifactorial, says Dr. Farhang, meaning that there are often a number of contributing factors. In terms of hair loss, the most common is genetics but can also be caused by other conditions such as “hormonal changes (i.e. giving birth or changing birth control pills], age, stress, vitamin/nutrient deficiencies, medical conditions, [or] medications that cause an excess of hair loss.” 

Hair thinning can also be attributed to these factors, but “I often see it caused by certain hairstyling practices” says Dr. Farhang. This includes harsh chemicals and irritants or poor hair practices such as tight buns, hair coloring, and hair extensions.

She says it’s best to consult with a dermatologist to identify the root (pun intended) cause of your hair loss or thinning. 

What Are the Best Products For Hair Growth?

There are a number of options out there when it comes to hair growth, from shampoos to oils and serums, but it’s all about what ingredients these products contain. Dr. Farhang recommends looking for topical products with FDA-approved minoxidil, peptides, keratin, saw palmetto, rosemary oil, and pumpkin seed oil. She also recommends products that rebalance the scalp’s microbiome, because a healthy scalp equals healthy hair.

Each ingredient can help with specific factors that are contributing to hair loss, which is why understanding why you are experiencing hair loss and thinning is so crucial.

One thing Dr. Farhang can’t stress enough? Patience. “It takes time to see results. I would give any recommendations at least 6 months to start seeing a difference although some may see results sooner.”


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