Great product!
"Makes my ends so much smoother and softer. I bought it to help with split ends but didn’t expect the overall help with fizziness! Love it!"
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Significantly reduce breakage and repair damage at the source with this high-powered restorative serum. Boosted with clean, clinically-proven Vegan Silk and Biomimetic Bond-Building Technology to reduce breakage and increase strength from the inside out. A highly-concentrated, silicone-free serum that provides 11x softer* strands, with 88% split end sealing and 450°F degree heat protection.
*Clinical test, when used with PAY DAY Shampoo and Conditioner
Check out our entire hair serum collection!
Bond-building technology
Protects against breakage*
Seals 88% of split-ends*
450°F heat protection
How to use
Apply generously to clean damp hair. Can also be used on the ends of dry hair to seal help soften and seal split ends between washes.
what it is
This clinically-proven treatment serum significantly repairs damage and reduces breakage.* Concentrated, lightweight formula features biomimetic bond-building technology to instantly moisturize, mend split ends, provide softness and shine, and protect from heat damage.
who it’s for
Safe For All Hair Types Including Colored And Chemically Treated.
STRAIGHT
WAVY
CURLY
COILY
KEY INGREDIENTS
Ground shipping is free on orders $50+ in the continental United States. Currently, our website only accommodates shipments within the contiguous United States: we do not ship to Alaska, Hawaii, and the U.S. Virgin Islands. We work with various shipping carriers and we kindly ask that you anticipate 3 to 8 business days for shipping. For international shipping requests please email [email protected].
IGK Hair offers free returns* and/or exchanges for IGK Hair products within 30 days of product receipt for item(s) purchased on igkhair.com. Products purchased from our salon and retail partners should be returned to the original place of purchase. Please note that returned merchandise must be unopened or gently used. Shipping fees are non-refundable. To start your return or exchange visit our Returns Center. You'll need the order number and email address associated with your purchase, or your shipping zip code. Please note if there is a price difference to be paid in an exchange an invoice is emailed. The invoice must be paid before the exchange order is released. If you have used Afterpay as a payment method, please be aware that the processing times may be longer.
If you have any further questions, please contact our client services at [email protected] with your order number mentioned in the subject line.
*exclusions apply to our free return policy
Yes! We are committed to the highest levels of service for our subscribers. All subscribers can change the frequency of a subscription at any time by logging into your account and clicking MANAGE SUBSCRIPTION on bottom left corner.
Overall rating: 4.4751244 / 5 from 402 reviews.
Cash In Repair Serum significantly reduces breakage and repairs damage, offering immediate results and sealing split ends. Customers appreciate its effectiveness, soft and healthy hair feel, and great smell. However, some customers reported issues with order fulfillment.
Review topics: ["size","results","protection","smells","weight","feel","formula","line","look","bottle","hair","order","customer service","difference","works","serum","igk","shine","frizz","ends","split ends","repair","leave","heat protectant","grail","tools","brand","breakage","help","primer"].
"Makes my ends so much smoother and softer. I bought it to help with split ends but didn’t expect the overall help with fizziness! Love it!"
"Excellent products that works very well on damaged hair."
"I love all of the IGK products. This Cash In serum has really helped strengthen my hair."
"I love how it smooths my hair and takes away the loose ends and fly aways"
"Instantly mends split ends, non greasy, non heavy - leaves hair soft"
"Pretty much love it but it is just never enough to cover my damaged hair. Please make container larger."
"I absolutely love this stuff! Smells wonderful and doesn’t irritate my skin as I have psoriasis and dermatitis. I always try to educate my clients on how to use it properly and effectively. Everything on one of them absolutely adores it. It’s only a few complaints but them turning out it was other products that they were using and once those other products were gone and got them on the right path they finally got to see how amazing this stuff actually is!"
"Love this serum. Makes my hair feel silky"
"Inlove how my hair looked so much more healthy before using this product"
"I have yet to receive my order yet this is crazy"