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K18 Damage Shield pH Protective Shampoo
Returns & Exchanges
RETURN & EXCHANGE POLICY
You have 10 calendar days to return an item for EXCHANGE ONLY from the date you received it. As the purchaser you would be responsible for return shipping charges.
Final sale items are not eligible for exchange or store credit. Final Sale items include Litres, Litre Duos, Clearance, Last Chance, Hot Tools, Hair Accessories, Brushes, Combs, Nail Polishes, Nail Accessories, Hair Extensions, and Appliances.
To be eligible for a exchange:
- your item(s) must be either be unused or no more than a quarter of the volume missing.
- your item(s) must be in the original packaging.
- your item(s) need to have the receipt or proof of purchase.
STEP 1 - Complete the online return form in full. Incomplete forms will not be accepted: Click here to download a return form
STEP 2 - Ship your item(s) back to us. You are responsible for return shipping charges. Shipping costs are non-refundable.
STEP 3 - We will immediately notify you on the status of your exchange after inspecting your returned item(s)
STEP 4 - You can exchange your item(s) or receive an online shop credit in the form of an e-gift card
In the event that you cannot find a suitable exchange a merchandise credit for the same value of the product purchased will be issued to you in the form of a store credit. Store credits cannot be redeemed for cash or refunded. You will receive your e-gift card within 5 business days after the exchange is confirmed
RETURNING TO A ZENNKAI SALON LOCATION
Should you prefer to return your online purchases to a location near you, come visit us! Simply bring your items and proof of purchase to our salons, following our set out Exchange Policy.
Final sale items are not eligible for exchange or store credit. Final Sale items include Litres, Litre Duos, Clearance, Last Chance, Hot Tools, Hair Accessories, Brushes, Combs, Nail Polishes, Nail Accessories, Hair Extensions, and Appliances.
If you are not fully satisfied with your purchase we will EXCHANGE it within 10 days with proof of purchase. EXCHANGE OR STORE CREDIT ONLY, NO CASH REFUNDS.
Hair Tools & Appliances
Zennkai provides a 1 year warranty on electrical tools with a manufacturer defect. They can be exchanged within one year of original purchase date, with proof of purchase and in its original packaging/box.
All electrical tools may be returned for exchange only due to manufacturer defect, with proof of purchase and all original components. No exchanges will be given without proof of purchase. Items must be in the original box/packaging. In the event that you cannot find a suitable exchange a merchandise credit for the same value of the product purchased will be issued to you in the form of a store credit.
Hot Tools & Appliances are a FINAL SALE unless manufacturer defect and are not eligible for exchange or store credit.
Shipping
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are nonrefundable.
Contact Us
If you have any questions on how to return your item to us, contact us via email at zennkai@megahairfamily.com.
Corporate Office
310-5491 REGENT ST
BURNABY BC V5C 4H4
Email: zennkai@megahairfamily.com
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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.
Safe but powerful cleansing : Plant-derived surfactants deliver safe but effective high-power cleansing to break down and remove dirt + oil
What It Is
K18 Damage Shield pH Protective Shampoo — color-safe, pH-optimized daily shampoo with K18PEPTIDE™ + Panthenol + Glycerin. Reduces excess cuticle swelling during washing to prevent frizz, preserve color, and enhance shine. Scalp microbiome-friendly. Formerly named pH Maintenance Shampoo.
Hair Concerns
- Color Safe
- Damage, Split Ends, Breakage
- Frizz
Key Benefits
- Protects hair from daily damage to help maintain hair health — pH-optimized to minimize cuticle swelling during washing
- K18PEPTIDE™ helps reduce protein loss during washing to keep hair feeling healthy and strong
- Color-safe formula helps prevent frizz, preserve color, and enhance shine — microbiome-friendly daily wash
Highlighted Ingredients
What Else You Need to Know
Formerly named pH Maintenance Shampoo. Safe to use every wash. Pairs with DAMAGE SHIELD Protective Conditioner for the daily prevention system. Alternate with PEPTIDE PREP Detox Shampoo for weekly clarification.
Fragrance
Light fresh scent.
How to Use
Massage into wet hair, focusing on scalp. Thoroughly rinse. Repeat as needed. Follow with Damage Shield Conditioner.
Authorized K18 retailer · Zennkai Canada since 1984 · Patented K18PEPTIDE™ biotech repair · Biomimetic damage care in 4 minutes · Born in the salon, science-backed since 2020