DAMAGE SHIELD is our newest innovative category that takes the guesswork out of your K18 routine. Developed to offer protection from damage between treatment mask days, andextra softening and protection after salon services. This category includes th
DAMAGE SHIELD protective conditioner helps shield hair from daily damage to help maintain hair health and improve smoothness and shine. It’s developed with our biotech-produced polysaccharide that acts as a biomimetic shield to protect hair against p
The mask and conditioner serve two different purposes. The K18 mask reverses damage in 4 minutes, while the K18 conditioner protects hair from daily damage for up to 3 days*. We recommend using the K18 mask first, waiting 4 minutes, then using condit
No, the conditioner does not repair damage like the mask does. This nourishing, protective conditioner shields against 3 types of damage (daily mechanical, UV, and environmental) for up to 3 days*— to help maintain hair health and improve smoothness
No, use the DAMAGE SHIELD conditioner AFTER the K18 mask. The K18PEPTIDE™ will not penetrate the hair if the conditioner is used before mask application.
Yes, you can apply the K18 mask first, wait 4 minutes for maximum damage repair, and then apply the K18 conditioner.
No, apply the K18 mask first, wait 4 minutes for maximum damage repair, and then apply the K18 conditioner. The K18 mask will not penetrate hair if applied after a conditioner.
Yes, the DAMAGE SHIELD conditioner adheres to Clean by Sephora standards. The conditioner is formulated without phthalates, formaldehyde or formaldehyde releasers, oxybenzone and octinoxate, and more.
The K18 conditioner is a highly concentrated formula, so a little goes a long way. Begin with a small amount from mid-lengths to ends, and build as needed.
For best results, apply the K18 conditioner from mid-lengths to ends. Start with a small amount and build as needed.
In the salon, use the DAMAGE SHIELD conditioner 4 minutes after K18 mask application for extra smoothness, softness + detangling.
The K18 conditioner can be used for added smoothness, softness + detangling after the K18 PRO molecular repair hair mask.
Apply a small amount of DAMAGE SHIELD protective conditioner from mid-lengths to ends and build as needed.Rinse thoroughly.For best results, use after shampooing with the DAMAGE SHIELD shampoo.
For best results, we do not recommend mixing the K18 conditioner with the mask. Apply the K18 mask first, wait 4 minutes for maximum damage repair, then apply the K18 conditioner.
For best results, we do not recommend mixing the K18 conditioner with the oil. Use the K18 molecular repair hair oil without the K18 conditioner.
No, you do not have to wait 4 minutes after applying the conditioner. For additional conditioning, you can wait 1-3 minutes before rinsing.
No, the K18 conditioner does not need heat to be effective.
Yes, the K18 conditioner does contain the K18PEPTIDE™. In the formula, this patented peptide replenishes protein lost during washing, while the cuticle is still swollen, to fortify hair health and strength. To get damage repair benefits from the K18P
Yes, you can use the K18 conditioner every day. The lightweight formula softens, smooths, and detangles without film-forming silicones or waxes that can build up over time, weighing hair down.
No, the K18 conditioner will not cause buildup on hair. The highly concentrated, lightweight gel formula means a little goes a long way. Use less than you typically would with a traditional conditioner, and build as needed.
No, the K18 conditioner will not weigh hair down. This highly concentrated, lightweight gel formula softens, smooths, and detangles without film-forming silicones or waxes that can build up over time.
Yes, the K18 conditioner works on all hair types. The highly concentrated, lightweight gel formula won’t weigh hair down. It’s developed to soften, smooth, and detangle without film-forming silicones or waxes that can build up over time.
Yes, the K18 conditioner does work on curly or coily hair, as the highly concentrated, lightweight formula softens, smooths, and detangles curly and/or coily hair without film-forming silicones or waxes that can build up over time, weighing hair down
Yes, the K18 conditioner does work on fine hair, as the highly concentrated, lightweight gel formula won’t weigh hair down. It’s developed to soften, smooth, and detangle without film-forming silicones or waxes that can build up over time.
Yes, this lightweight formula is buildable. Since it’s highly concentrated, a little goes a long way. Start by applying a small amount of DAMAGE SHIELD protective conditioner from mid-lengths to ends, and add more as needed.
Yes, you can use the K18 conditioner on keratin-treated hair. It can provide added smoothness, softness + easier detangling after the damaging keratin service.
Yes, you can use the K18 conditioner on extensions. We recommend following the standard protocol for cream-based conditioner usage with extensions: For best results, do not apply the K18 DAMAGE SHIELD protective conditioner directly to the weft adhes
Yes, the K18 conditioner is pH optimized, with a pH of 3.8-4.2. This helps prevent excess swelling of the hair cuticle to help reduce frizz, preserve color, and maintain health and shine.
UV damage is caused by sun exposure, which can dull color and make hair damaged and brittle. Use DAMAGE SHIELD protective conditioner to provide conditioning protection against damage from UV rays for up to 3 days*. *k18hairpro.com/disclaimers
No, you do not need to reapply the K18 conditioner for continued UV protection. This product is clinically proven to protect hair against damage from UV rays for up to 3 days*. *k18hairpro.com/disclaimers
No, the K18 conditioner does not have SPF. The biotech-produced polysaccharide and fortifying ceramide blend help minimize the drying and damaging effects of UV rays on the hair’s cuticle. This prevents hair from becoming rough, brittle, weak, and pr
No, the K18 conditioner does not contain heat protection. It does provide conditioning protection against damage from UV rays for up to 3 days*. For added 450°F (232°C) heat protection*, use the K18 molecular repair hair oil. *k18hairpro.com/disclaim
Environmental damage is caused by things irritants like pollution that can cause frizziness and dullness. Use DAMAGE SHIELD protective conditioner to provide conditioning protection against damage from environmental aggressors for up to 3 days*. *k18
Mechanical damage is caused by wear and tear from things like brushing, pulling, detangling, and tension from tight, slicked-backed hairstyles—which cause hair breakage. Use DAMAGE SHIELD protective conditioner to provide conditioning protection agai
The K18 conditioner has a clean citrus scent.
No, the K18 conditioner does not contain gluten.
Yes, the K18 conditioner is vegan.
Yes, the K18 conditioner is cruelty-free and Leaping Bunny certified.
For best results, use the DAMAGE SHIELD pH protective shampoo with the DAMAGE SHIELD protective conditioner to protect hair between K18 mask days. If you’re using the K18 molecular repair mask, use the PEPTIDE PREP™ detox shampoo first.
Water (Aqua) (Eau), Isopropyl Palmitate, Stearyl Alcohol, Propanediol, Isopentyldiol, Behentrimonium Chloride, Tocopherol, Tocopheryl Acetate, sh-Oligopeptide-78, Alteromonas Ferment Extract, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Simmondsia Chi