DAMAGE SHIELD protective shampoo
Image of damage shield pH shampoo: pH shampoo benefits. Optimized pH is gentle on damaged hair, certified microbiome-friendly formula is gentle on scalp, formulated with K18PEPTIDE to maintain hair health, help reduce frizz, and tangles + promotes shine, made for all hair types + protects color, vegan, cruelty-free + plastic net-zero
Image of K18 routine: K18 healthy hair routines, when you need to repair damage (detox shampoo + leave-in mask, when you need to protect against daily damage (pH shampoo + conditioner)
Image of DAMAGE SHIELD protective conditioner + shapoo. new name! same pH maintenance shampoo formula
Illustration of hair cuticle with pH shampoo and hair cuticle without pH shampoo. protect against dullness, frizz + tangling. optimized pH, reduces excess swelling of hair cuticle, prevents damage during washing
cleanse - for frequent everyday washing. 91% said hair feels healthier, smoother and does not feel weighed down. Formulated with K18PEPTIDE
Image of damage shield pH shampoo: pH shampoo benefits. Optimized pH is gentle on damaged hair, certified microbiome-friendly formula is gentle on scalp, formulated with K18PEPTIDE to maintain hair health, help reduce frizz, and tangles + promotes shine, made for all hair types + protects color, vegan, cruelty-free + plastic net-zero

DAMAGE SHIELD pH protective shampoo

Back bar size of our color-safe, protective shampoo to maintain hair health + strength
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Description

A color-safe, pH-optimized shampoo with the patented K18PEPTIDE™ to effectively cleanse while maintaining hair health and protecting hair from damage. pH-optimized formula helps reduce excess swelling of the hair cuticle during washing to help prevent frizz, preserve color, and enhance shine. Scalp microbiome-friendly and gentle enough to use every time you cleanse.


  • gentle daily cleanse
  • microbiome-friendly
  • pH-optimized

Less is more formulation delivers a superior clean without compromise:

Optimized pH cleanses hair and scalp without over-drying

Certified microbiome-friendly formula removes dirt and oil without disrupting the scalp’s natural protective barrier

K18PEPTIDE™ helps reduce protein loss to keep hair feeling healthy and strong

Safe but powerful cleansing: Plant-derived surfactants deliver safe but effective high-power cleansing to breakdown and remove dirt + oil

Designed for damaged hair: pH-optimized formula helps prevent excess swelling of the hair cuticle during washing - which helps maintain color, improve hair health and shine, and reduce frizz

Gentle enough to use every time you cleanse: Gentle on hair AND scalp - pH-optimized formula mimics hair’s natural pH, to reduce cuticle swelling and maintain hair health, and preserve the scalp microbiome

For your services

  1. Use for higher frequency washing like multiple wash services or clients with less buildup.
  2. Massage into hair, focusing on scalp.
  3. Thoroughly rinse.
  4. Repeat as needed.

PRO TIP: pair with the DAMAGE SHIELD protective conditioner for clients that need added softening + conditioning post K18 treatment mask. Shampoo, towel-dry and apply the PRO leave-in molecular repair hair mask. Wait 4 minutes. Apply DAMAGE SHIELD conditioner and rinse thoroughly.

For client use

  1. Safe to use every time you wash.
  2. Massage into hair, focusing on scalp.
  3. Thoroughly rinse.
  4. Repeat as needed.

For best results, follow with DAMAGE SHIELD protective conditioner.

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.

pairs well with
DAMAGE SHIELD protective conditioner
Smoothing conditioner detangles + protects from daily damage Learn More
molecular repair hair oil
Weightless oil that strengthens, repairs damage + reduces frizz Learn More

Description

A color-safe, pH-optimized shampoo with the patented K18PEPTIDE™ to effectively cleanse while maintaining hair health and protecting hair from damage. pH-optimized formula helps reduce excess swelling of the hair cuticle during washing to help prevent frizz, preserve color, and enhance shine. Scalp microbiome-friendly and gentle enough to use every time you cleanse.


have questions?

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No, the formula of the DAMAGE SHIELD pH protective shampoo is not different from the PEPTIDE PREP™ pH maintenance shampoo. Just the name has changed, the formulation you know and love is the same.
The DAMAGE SHIELD pH protective shampoo delivers healthier hair and scalp after just one wash. Its optimized pH helps maintain the hair cuticle, preventing excess water from entering the hair, which can cause damage, dullness, frizz, and tangling. With this shampoo, your client’s color is maintained, hair feels strong, healthy, looks smooth with less frizz, and is easier to style with less tangles. This formula moisturizes hair without weighing it down, and preserves the scalp microbiome for a healthier-feeling scalp and a gentler cleanse. Coupled with the DAMAGE SHIELD protective conditioner, these formulas shield the healthiest hair from daily damage.
Use this gentle shampoo for higher frequency washing like multiple wash services or clients with less buildup. This pH-balanced formula is gentle enough to use every time you cleanse, delivering healthier hair and scalp after just one wash.
You need both shampoos to deliver the most effective clean while maintaining your client’s hair + scalp health. Detox shampoo is engineered for less frequent heavy-duty washing, and DAMAGE SHIELD pH protective shampoo (previously pH maintenance shampoo) is engineered for frequent washing.

the DAMAGE SHIELD difference

DAMAGE SHIELD shampoo’s optimized pH reduces excess cuticle swelling during washing—preventing damage that causes dullness, frizz + tangling.

PRO to PRO

See how PRO stylists maintain hair health with DAMAGE SHIELD pH protective shampoo. 

Learn how dimensional color specialist Tabitha Dueñas gently uses DAMAGE SHIELD shampoo in a multi-wash lightening service.
See how natural/curly hair and color specialist Marcel Henriquez gently cleanses curls and coils.

certified microbiome-friendly formula

Engineered with hair’s optimal pH levels in mind, this everyday cleanse keeps your clients’ scalp microbiome balanced for strong, smooth + healthy hair.