Frequently Asked Questions
Everything you need to know about K18 molecular hair repair and your shopping experience.
What makes K18 different from traditional hair masks?
Unlike traditional hydrating masks that sit on the surface, K18 uses the patented K18Peptide™ to travel deep into the inner layers of hair to reconnect broken polypeptide chains and disulfide bonds, restoring strength and elasticity in just 4 minutes.
How long does shipping take for my order?
Standard shipping typically takes 3-5 business days within the continental United States. Expedited shipping options are available at checkout for faster delivery.
Can I use K18 products on color-treated or chemically processed hair?
Yes, K18 was specifically designed to repair damage caused by bleach, color, chemical services, and heat. It is safe for all hair types and textures.
What is your return policy?
We offer a 30-day satisfaction guarantee. If you are not completely satisfied with your purchase, you can return the product within 30 days of the delivery date for a full refund, minus shipping costs.
Do you offer international shipping?
Currently, we ship to select international locations. Please check our shipping page for a full list of supported countries and associated customs fees.
What payment methods do you accept?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and interest-free installment options like Afterpay.