Best for: All hair types that need frequent cleansing while helping protect against damage, frizz, dullness and tangling.

What is K18 DAMAGE SHIELD pH Protective Shampoo?

K18 DAMAGE SHIELD pH Protective Shampoo is a colour-safe, pH-optimised shampoo designed to effectively cleanse the hair and scalp while maintaining hair health and helping protect against damage.

Powered by patented K18PEPTIDE™, the formula helps reduce protein loss to keep hair feeling healthy and strong. Its optimised pH helps reduce excess swelling of the hair cuticle during washing, helping prevent frizz, preserve colour and enhance shine.

The scalp microbiome-friendly formula is gentle enough to use every time you cleanse.

Who is it best for?

K18 DAMAGE SHIELD pH Protective Shampoo may suit you if your hair:

• needs frequent or everyday cleansing
• is damaged
• is prone to frizz
• looks dull
• becomes tangled
• is colour-treated
• needs cleansing without over-drying
• needs a shampoo suitable for regular use

K18 states that its pH-optimised formula helps prevent frizz, dullness and tangles for all hair types.

What problem does it solve?

Washing can cause excess swelling of the hair cuticle as water enters the hair. K18 explains that this can contribute to damage, dullness, frizz and tangling.

K18 DAMAGE SHIELD pH Protective Shampoo uses a pH-optimised formula designed to help maintain the hair cuticle and reduce excess swelling during washing. This helps maintain colour, improve hair health and shine and reduce frizz.

Plant-derived surfactants provide effective cleansing to break down and remove dirt and oil, while the formula cleanses the hair and scalp without over-drying.

K18 also states that the formula moisturises without weighing hair down and preserves the scalp microbiome for a gentler cleanse.

Key ingredients & technology

K18PEPTIDE™: K18's patented biomimetic peptide helps reduce protein loss to help keep hair feeling healthy and strong.

Optimised pH: Helps reduce excess swelling of the hair cuticle during washing, helping maintain hair health, preserve colour, improve shine and reduce frizz.

Plant-derived surfactants: Provide effective cleansing to break down and remove dirt and oil.

Ingredients

Water (Aqua) (Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Sodium Methyl 2-Sulfolaurate, Sodium Lauryl Sulfoacetate, sh-Oligopeptide-78, Panthenol, Glycerin, Sodium Phytate, Guar Hydroxypropyltrimonium Chloride, Disodium 2-Sulfolaurate, Caprylyl Glycol, Caprylhydroxamic Acid, Benzoic Acid, Citric Acid, Sodium Hydroxide, Sodium Chloride, Fragrance (Parfum), Limonene, Hydroxycitronellal, Citrus Aurantium Dulcis Flower Oil, Citrus Aurantium Peel Oil.

How to use K18 DAMAGE SHIELD pH Protective Shampoo

K18 DAMAGE SHIELD pH Protective Shampoo is safe to use every time you wash.

Massage the shampoo into the hair, focusing on the scalp. Rinse thoroughly and repeat as needed.

For best results, K18 recommends following with DAMAGE SHIELD Protective Conditioner.

Why choose it?

Hair type: All hair types
Primary concerns: Damage + frizz + dullness + tangling
Best for: Frequent cleansing
Key ingredient: K18PEPTIDE™
Formula: pH-optimised + colour-safe
Scalp: Certified microbiome-friendly formula
Cleanse: Removes dirt + oil without over-drying
Recommended use: Every time you wash
Size: 250ml
Routine step: Cleanse
Brand: K18
Range: DAMAGE SHIELD

Millies Expert Advice

K18 DAMAGE SHIELD pH Protective Shampoo is designed for frequent cleansing, so it can be used every time you wash. Massage it into the hair while focusing on the scalp, rinse thoroughly and repeat if needed. For the complete DAMAGE SHIELD routine, follow with K18 DAMAGE SHIELD Protective Conditioner.

Is K18 DAMAGE SHIELD pH Protective Shampoo right for me?

Choose this if: you want a shampoo for frequent washing that effectively removes dirt and oil while helping protect against damage, frizz, dullness and tangling.

Consider another shampoo if: you're looking for a less frequent, heavy-duty cleanse. K18 specifically positions DAMAGE SHIELD pH Protective Shampoo for frequent washing and its PEPTIDE PREP™ Detox Shampoo for less frequent, heavy-duty cleansing.

Frequently asked questions

What does K18 DAMAGE SHIELD pH Protective Shampoo do?

K18 DAMAGE SHIELD pH Protective Shampoo cleanses the hair and scalp while helping maintain hair health and protect against damage. Its pH-optimised formula helps reduce excess cuticle swelling during washing to help prevent frizz, preserve colour and enhance shine.

Is K18 DAMAGE SHIELD Shampoo suitable for all hair types?

Yes. K18 states that its pH-optimised formula helps prevent frizz, dullness and tangles for all hair types.

Can I use K18 DAMAGE SHIELD Shampoo every time I wash my hair?

Yes. K18 states that the formula is gentle enough to use every time you cleanse.

Is K18 DAMAGE SHIELD Shampoo colour-safe?

Yes. K18 describes DAMAGE SHIELD pH Protective Shampoo as colour-safe, with an optimised pH that helps preserve colour.

Does K18 DAMAGE SHIELD Shampoo help with frizz?

Yes. Its pH-optimised formula helps reduce excess swelling of the hair cuticle during washing, which K18 states helps reduce frizz.

Does K18 DAMAGE SHIELD Shampoo help with tangles?

K18 states that its optimised pH helps maintain the hair cuticle, leaving hair easier to style with fewer tangles.

Does K18 DAMAGE SHIELD Shampoo contain K18PEPTIDE™?

Yes. K18 DAMAGE SHIELD pH Protective Shampoo contains patented K18PEPTIDE™, which K18 states helps reduce protein loss to keep hair feeling healthy and strong.

Is K18 DAMAGE SHIELD Shampoo suitable for damaged hair?

Yes. K18 specifically describes the shampoo as designed for damaged hair. Its pH-optimised formula helps prevent excess swelling of the hair cuticle during washing.

Does K18 DAMAGE SHIELD Shampoo strip the hair?

K18 states that the optimised-pH formula cleanses the hair and scalp without over-drying. It also describes the shampoo as moisturising hair without weighing it down.

Is K18 DAMAGE SHIELD Shampoo good for the scalp?

K18 describes the shampoo as scalp microbiome-friendly. Its certified microbiome-friendly formula removes dirt and oil without disrupting the scalp's natural protective barrier.

What is the difference between K18 DAMAGE SHIELD Shampoo and K18 PEPTIDE PREP™ Detox Shampoo?

K18 positions the two shampoos for different types of cleansing. DAMAGE SHIELD pH Protective Shampoo is designed for frequent washing, while PEPTIDE PREP™ Detox Shampoo is designed for less frequent, heavy-duty washing.

Is K18 DAMAGE SHIELD Shampoo the same as K18 PEPTIDE PREP™ pH Maintenance Shampoo?

Yes. K18 states that DAMAGE SHIELD pH Protective Shampoo is the new name for PEPTIDE PREP™ pH Maintenance Shampoo. The formulation has not changed.

What conditioner should I use with K18 DAMAGE SHIELD Shampoo?

K18 recommends following the shampoo with K18 DAMAGE SHIELD Protective Conditioner for best results.