Hair Serums

Smoother, Shinier Hair with Hair Serums

Hair serums target frizz control, shine and protection, with options for heat defence, split ends and hair growth support.

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About Hair Serums

Discover the Best Hair Serums

Upgrade your routine with hair serums that smooth frizz, add shine and protect from daily stress. From anti-frizz and heat protectant formulas to peptide serums that support scalp and strand strength, our edit offers lightweight solutions for every hair type.

Find Your Perfect Hair Serum

Choose a feather-light serum for fine or oily hair, a humidity-resistant formula for frizz control, or a heat defence serum for regular styling. Looking to support growth and density? Explore peptide and caffeine serums designed to care for the scalp while keeping lengths sleek and glossy.

Advice on Our Range of Hair Serums

Not sure where to start? Speak to our haircare experts for personalised guidance, read our blogs for styling tips or complete our free online hair test to build a serum routine tailored to your hair type and goals.

Transform Your Hair with Kerasilk

Kerasilk haircare combines salon-grade formulas with innovative technology to smooth frizz, strengthen weak strands and restore shine. From nourishing shampoos and conditioners to targeted treatments and serums, Kerasilk products are designed to deliver long-lasting results for healthier, more manageable hair.

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Beautiful, Healthy Hair with Percy & Reed

Percy & Reed haircare blends expert salon knowledge with easy-to-use formulas that deliver volume, shine and smoothness. From lightweight shampoos and conditioners to nourishing masks and styling products, Percy & Reed makes it simple to achieve healthy, glossy and effortlessly styled hair every day.

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Expert Tip for Hair Serums

"Start with clean, towel-dried hair. Warm a small amount between your palms, then smooth through mid-lengths and ends, focusing on the most frizz-prone areas. Comb through to distribute evenly. If heat styling, choose a serum with built-in heat protection. Finish on dry hair with a tiny extra drop for polish. Consistency delivers the best results, so use the right serum for your concern and hair type."

- Kimberley, Clinic & Customer Experience Manager

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Frequently Asked Questions

What does a hair serum do?

Hair serum coats and smooths the hair cuticle to reduce frizz, add shine and provide protection from humidity, heat and environmental stress.

Which serum is best for frizz control and flyaways?

Look for silicone or polymer based anti-frizz serums with humectants and lightweight oils to seal the cuticle and tame static without greasiness.

Do hair growth serums really work?

Results vary. Serums with peptides, caffeine or amino acids can support a healthier scalp and stronger strands when used consistently over several months.

Can I use hair serum on fine or oily hair?

Yes. Choose feather-light, oil-free or water-based serums and apply sparingly to mid-lengths and ends to avoid heaviness at the roots.

Is a heat protectant serum necessary?

If you use hot tools, yes. A heat protectant serum helps reduce moisture loss and cuticle damage during styling.

What is the difference between hair oil and hair serum?

Oils primarily nourish and add slip. Serums focus on surface smoothing, protection and targeted benefits like anti-frizz or heat defence, often in lighter textures.

Can serums help with split ends?

They cannot repair splits, but they can seal and smooth the appearance temporarily while helping prevent further damage between trims.

How much serum should I use?

Usually a pea-sized amount for fine hair and up to a 10p-sized amount for thick or curly hair. Add more only if needed.

Should I apply serum to wet or dry hair?

Both can work. Apply to damp hair before blow-drying for heat protection and slip, then add a tiny amount to dry hair for finishing shine.

Are peptide hair serums suitable for sensitive scalps?

Many are well tolerated, but always patch test first and introduce slowly if you are prone to sensitivity.