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Hair Serums

What is a Scalp Serum & Why You Need One


Just like our skin, our scalp can attract bacteria, be affected by pollution, or even see changes due to hormone fluctuations. And while most of us create beauty routines for the skin on our face, we don’t always extend this care to our scalps. This truth has given rise to a whole new genre of hair care – scalp care. In this article, we will explore how to seamlessly blend a scalp serum into your existing hair care routine. With our extensive range of scalp serums and scalp treatments, you can create a personalised hair ritual to target specific scalp concerns and maintain healthy, shiny hair that turns heads.


Scalp serum vs hair serum


So, what is the difference between a scalp serum and a hair serum? The answer lies in their focal point. Where hair serums focus on your strands, scalp serums work on the skin of your scalp. Some multitasking products are formulated to be used across both.

Hair serum



To avoid greasy-looking roots, hair serums are usually applied from the mid-lengths to the ends. Hair serums are designed to target hair concerns like brittle strands and dry ends, and to add shine and gloss to hair.

Scalp serums



What does scalp serum do for hair and scalp health, and how do they work? Scalp serums are targeted treatments that directly address concerns like hair dryness, thinning, itchy scalp sensations and more. The main purpose of a scalp serum is to hydrate the skin beneath your hair – which is why the treatment is so helpful for those with dry scalps.

Be sure to read product instructions to get the most out of your chosen product.


How to use scalp serum


If you are new to the whole ‘scalp care’ subcategory of hair and skin care, you might be looking for some further guidance. Keep reading to discover how to get the most out of your scalp serum.

When to apply scalp serum

Different serums target different scalp concerns, so the methods do vary. For best results, always read the product instructions. Generally, apply your serum after washing and towel-drying your hair, but bear in mind that applying to dry hair may be recommended for certain products or concerns.

Should I use scalp serum everyday?

While some scalp serums are designed for everyday use, others are advised to use once or twice a week. To comfort stressed skin on the scalp, you can gently massage a few drops into your roots morning or night. A small amount will allow your scalp and hair to feel light and residue-free.

How to apply scalp serum

1. Focusing on areas of concern, massage the product through hair (one section at a time) and leave in. (Follow product instructions and do not rinse.)

2. Use a heat protectant spray, especially if utilising hot styling tools.

3. Style as desired.

The best Kérastase scalp serum for each scalp concern


Whether you’re targeting dandruff, skin sensitivity or oiliness, there’s a Kérastase scalp serum to suit your needs. By creating a dedicated daily or weekly ritual, you will be well on your way to healthier hair with energised strands and maximised shine. Find our best recommendations below.

Night serum for dry hair image

Scalp serum for dry hair

Infused with a vitamin-rich blend and niacinamide, the Nutritive Scalp Food Hydrating Scalp Serum nourishes hair follicles to promote shine from the roots to the ends. Not only does this serum deliver an immediate shot of hydration that’s perfect for dry hair, but it also creates a healthier foundation for new hair growth.

Genesis Scalp Serum for strengthening hair

Scalp serum for sensitive scalps

Spécifique Potentialiste Vitamin C Hair and Scalp Serum is the universal defence serum for sensitive scalps. Enriched with vitamin C, this formula promotes hair health by neutralising the scalp from external aggressors like the sun or UV light. With a fast-absorbing gel-texture, this calming and soothing serum helps to hydrate, protect and balance your scalp, returning it to its healthiest state.

Blond Absolu Night Serum for lightened hair

Scalp serum for thinning hair

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For weakened hair that is prone to falling out, we recommend the Genesis Anti-Chute Fortifying Hair Serum. This is a daily serum for hair dealing with breakage from brushing. Enriched with aminexil for hair growth, edelweiss native cells and ginger root in a jelly-like formula, this silicone free serum targets and re-anchors hair follicles for minimised breakage, preserving the natural protective barrier of the scalp to create the desired environment for future hair growth.


Now that you know how and when to use scalp serum like the hair professionals, it’s time to discover our guide to treating frizzy hair.

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Far more than the place to get your root touch-up or an occasional trim, book an appointment at your nearest Kérastase salon for a complimentary personalised hair diagnosis.


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