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cosmolux

BondGuard Bonding Oil, Heat Protectant & Repair Oil for Damaged, Color-Treated & Frizzy Hair, Adds Shine & Tames Frizz, Lightweight & Vegan - 1.7 fl oz (50 mL)

    • Based on 67 reviews
Condition: New
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$15.95 Why this price?

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To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon
Arrives Tuesday, May 13
Order within 14 hours and 22 minutes
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Features

  • 450F HEAT PROTECTION: Safeguard your hair from extreme heat styling with our advanced protectant oil. It shields strands from flat irons and blow dryers up to 450F, so you can style freely without worry. Enjoy salon-quality results while keeping your hair strong and healthy.
  • HAIR REPAIR & STRENGTHENING: Powered by nourishing botanical oils, this bonding oil helps mend damaged strands from root to tip. It reinforces weakened hair bonds to reduce breakage and split ends, restoring strength and vitality to hair thats been color-treated, bleached, or chemically processed.
  • ADDS SHINE & TAMES FRIZZ: Infused with a blend of natural oils, our formula revives dull, dry hair with instant luster. It boosts your hairs natural shine for a glossy finish while smoothing out frizz and flyaways. Enjoy sleek, silky-soft strands that look salon-fresh every day.
  • LIGHTWEIGHT & NON-GREASY: This featherlight serum absorbs quickly without leaving any oily residue, so its perfect even for fine or thin hair. Enjoy smooth, soft style with full bounce and volumeno heaviness or limp locks.
  • VEGAN & CRUELTY-FREE: Crafted with a conscience, our formula contains no harsh chemicals and is never tested on animals. Its 100% vegan and safe for all hair types (including color-treated hair). Plus, its effortless to applysimply work 2-3 drops into damp or dry hair before styling for instant protection and shine.

Product Benefits: UV Protection, Hair Growth, Frizz Control, Shine, Heat Protection


Hair Type: Frizzy


Material Type Free: Ammonia Free, Sulfate Free, Aluminum Free, Paraben Free, Formaldehyde Free


Scent: Citrus


Liquid Volume: 1.7 Fluid Ounces


Product Dimensions ‏ : ‎ 2.76 x 1.18 x 1.18 inches; 2.4 ounces


Item model number ‏ : ‎ bondguard-st4


Manufacturer ‏ : ‎ Cosmolux


Country of Origin ‏ : ‎ Italy


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, May 13

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Cosmolux is the best , don't waste your money or time with olaflex and its half the price
this product is great I wish i would have bought it first instead of Olaflex, your produce Cosmolux 4 works much better and it is half the price. Using this product my hair is coming back to life , it shines and it is not so dry looking, I would defiantly recommend your product over all of the rest. Thank you so much ... show more
Reviewed in the United States on April 22, 2025 by Patricia Blackmon
    • Great stuff
Great stuff! Leaves hair shiny and soft. Smells great. I apply to damp hair or dry hair and style as usual. Just as good or better than olaplex and much much cheaper. Would definitely buy again
Reviewed in the United States on April 26, 2025 by Yoli
    • SPEECHLESS!
Review Image by Kassandra Kassandra
I am pleasantly surprised with this product. I bought this thinking “oh this is just going to be another oily product” WRONG! I have color treated hair and I have not been able to find a good product that helps with my ends… until now!! I applied it to my hair right before blow drying it and omg! It made my hair super soft, shiny and it made it feel so healthy! The product smells amazing (in my opinion) and the scent doesn’t not last too long! The best part is that the product does not feel heavy nor greasy! The two negatives are that the bottle is a bit small and that the way the product comes out it’s a little strange. You have to force it out in a way. But other than that.. this product is AMAZING! Totally worth it! ... show more
Reviewed in the United States on March 1, 2025 by Kassandra Kassandra
    • Perfect For Your Curly Hair Routine
I was on the hunt for a finishing oil for my curl hair routine that was cheaper than the very expensive brand name options and was thrilled with the performance of this one. First, it was not overly scented. I hate using a product and becoming overwhelmed with an artificial scent. This scent was mild, not overpowering and faded quickly. Second, the hair oil was so easily absorbed by my hair. Unlike other products, it didn't weight my hair down, make it look overly greasy or smear all over my sheets and clothing. Third, it easily removed my hair cast without causing frizz!! My hair was so shiny, moisturized, and voluminous after I put this in. Tip-make sure you hair is completely dry before using. This is now an essential step in my hair routine. I add it in right after defusing as the final step. Its the best value for money hair oil I have tried and I have tried around 8 already. ... show more
Reviewed in the United States on January 25, 2025 by Tobi
    • Love this!
I love this product, it reduces fly aways and makes my hair feel softer and smoother after every use. I use it on dry hair and it feels oily for a moment but after brushing and styling my hair looks soft, smooth and beautiful!
Reviewed in the United States on March 30, 2025 by Meaghan Hennings
    • Por las reseñas
Que es bueno el producto
Reviewed in the United States on April 16, 2025 by Gracias amo estas ollas son unicas
    • Hair oil for frizzes and SHINE, helps control frizzes but doesn't make my hair shine.
It's not bad; but I'm not sure it's doing any good either. I'll try this bottle and see what I think when it's gone. It does tame down the fly away hair, but I don't any added shine, which they exclaim over in their ad.
Reviewed in the United States on April 26, 2025 by Primrose
    • Curly hair must!
Perfect for curly hair to loosen girls
Reviewed in the United States on March 10, 2025 by Jenna E Comaty

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