One of the biggest misconceptions about having an itchy scalp is that your hair is dirty, and you're not washing it often enough. Although lousy hygiene is a potential trigger, it's not always the case.

Can your hair products be the culprit?

One possible suspect could be the ingredients in your hair care products. Certain hair care ingredients can be allergens or irritate some people, especially those with skin sensitivities. Here are some ingredients that may be causing your itchy scalp:

• Fragrance

Some people can develop allergic reactions to specific fragrance ingredients, leading to itching and discomfort. Both synthetic and natural fragrances can potentially cause reactions. If you suspect fragrance allergies or experience persistent skin reactions, consult an allergist or dermatologist. Opt for personal care products labeled as "fragrance-free" or "unscented."

• Preservatives

Some people's immune systems recognize preservatives in personal care products as allergens. When the immune system identifies an allergen, it can trigger allergic reactions, which include symptoms like redness, itching, and skin inflammation.

Most commercial shampoos contain preservatives because of their water content. Solid shampoo bars have minimal to no water and do not require the addition of preservatives. People prone to allergies or skin sensitivities related to preservatives will find relief by switching to solid shampoo bars.

• Sulfate

Some hair products, especially those containing alcohol or harsh detergents like sulfate, can strip the scalp of its natural oils, leading to dryness. Dry skin is more prone to itching and irritation.

Product buildup and itchy scalp

Regularly using hair products like styling gels, mousses, or hairsprays can lead to residue buildup on your scalp. This buildup can clog hair follicles and disrupt the flow of your skin's natural oils, causing irritation. It also acts as a barrier that traps sweat and bacteria underneath, which can further irritate your scalp.

Your scalp microbiome is the secret to healthy hair

The human body is made up of over 100 trillion microbes - microscopic single-celled bacteria, fungi, and other microorganisms that combine to form what is known as a 'microbiome,' an ecosystem that keeps the body's vital systems in balance. When this ecosystem is in balance, the microbiome keeps everything running smoothly. There are microbiomes throughout the body, including the scalp.

The scalp microbiome is vital for keeping your scalp and hair healthy. However, disruptions in this equilibrium, caused by an overgrowth or deficiency of certain microbes, can lead to issues like itchiness, irritation, dandruff and even hinder hair growth.

Which shampoo for an itchy scalp?

So, how can you nurture your scalp microbiome to benefit your hair? It starts with a gentle and balanced hair care routine. Avoid harsh shampoos and excessive product use that can disrupt the microbiome. Consider switching to a sulfate-free shampoo to avoid removing your scalp's natural protective oils and healthy microorganisms.

Pebble Detoxifying Shampoo infused with Tea tree oil helps reduce the buildup of Malassezia species, a form of yeast fungi that grows on the hair follicles and causes dandruff and itching. 

If you are experiencing dryness caused by exposure to cold air, hot water, or heat from central heating, try Pebble Moisturizing Shampoo. It contains coconut oil and amino acids that push moisture through and into the skin, which keeps the outer layer of your skin feeling nourished and hydrated.