Debunking Common Hair Myths: Expert Insights

Nov 14, 2025By Heather Waters
Heather Waters

Understanding the Truth Behind Hair Myths

Hair care is an essential part of our daily routine, yet it's often surrounded by a cloud of misinformation. Many of these myths have been passed down through generations, making it difficult to distinguish fact from fiction. Today, we're diving into some of the most common hair myths and providing expert insights to set the record straight.

hair care tips

Myth 1: Frequent Trims Make Your Hair Grow Faster

A widespread belief is that cutting your hair regularly can accelerate its growth. While trimming your hair every six to eight weeks can help maintain its health by removing split ends, it doesn't directly influence the rate of growth. Hair growth starts at the follicle, and its pace is determined by genetics and overall health.

However, keeping your hair healthy and free from damage can prevent breakage, making it appear longer over time. So, while trims are crucial for maintaining hair health, they don't speed up growth.

Myth 2: You Must Shampoo Daily

The idea that you must wash your hair every day is another myth that many people still believe. In reality, over-shampooing can strip your hair of its natural oils, leading to dryness and damage.

shampoo bottle

Experts suggest that the frequency of washing should depend on your hair type and lifestyle. For instance, those with oily hair may need to wash more frequently, while individuals with dry or curly hair might find that washing less often works better for them.

Myth 3: Stress Causes Grey Hair

It's a common belief that stress turns your hair grey, but the truth is more complex. While stress can affect your overall health and potentially impact hair growth, greying is primarily determined by genetics.

As you age, your hair follicles produce less melanin, the pigment responsible for hair color, leading to grey or white hair. Stress might accelerate the process slightly, but it isn't the sole cause.

grey hair

Myth 4: Brushing 100 Strokes a Day is Beneficial

This old wives' tale suggests that brushing your hair 100 times daily will make it healthier and shinier. In reality, excessive brushing can cause more harm than good, leading to breakage and split ends.

Instead, focus on gentle brushing to detangle your hair and distribute natural oils from the scalp. Use a brush suitable for your hair type, and remember that less is often more when it comes to brushing.

Myth 5: Dandruff is Caused by a Dry Scalp

Many people assume dandruff results from a dry scalp, but it's often due to an oily scalp and the presence of a yeast-like fungus called Malassezia. This condition can cause flaking and itching, which are typical symptoms of dandruff.

Using specialized shampoos containing zinc pyrithione or selenium sulfide can help manage dandruff effectively. Consulting with a dermatologist can also provide personalized treatment options.