Biolage Bond Therapy Smoothing Leave-In 150ml – Strengthens, Smooths & Protects Damaged Hair
Estimate delivery times: 2-3 days.
Return within 30 days of purchase.
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Return Policy
Love It or Return It – Prohair’s Hassle-Free Return Policy
We want you to love every purchase from Prohair.ca. If not, no worries — we've made returns as easy and transparent as possible.
Return Window: 14-Day Guarantee
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You have 14 days from the delivery date to return any item for any reason.
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Products must be unused, in original condition and packaging.
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Returns of used or opened items are not accepted due to hygiene standards.
How to Initiate a Return
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No need to contact us!
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Simply log in to your Prohair.ca account, visit your order history, and select the item(s) to return.
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Print the return label and ship it back to us.
Note: Returns must be shipped within Canada.
Who Pays Return Shipping?
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If you're returning an item for personal reasons, the return shipping cost is yours to cover.
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If we made a mistake (wrong item, damaged item, etc.), we’ll cover the full cost, including shipping.
Non-Returnable Items Due to hygiene and safety reasons, we cannot accept returns on:
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Hair extensions
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Shavers, clippers & clipper blades
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Used shears or skin-contact tools
Gifts, Promotions & Freebies
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Items received as part of a promotion must be returned with the original order.
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Free promotional items cannot be returned alone.
Refunds
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All refunds go back to the original payment method.
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Please allow 5–7 business days after we receive your return to process the refund.
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Shipping fees are only refunded if the return is due to an error on our end.
In-Store Purchases
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Items bought in-store must be returned to a physical location — not by mail.
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Return with your receipt within 14 days for a full refund.
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No receipt? We'll offer store credit at the item's lowest sale price within the past 30 days.
Need Help?
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Visit our Returns & Exchanges page.
Pro tip: Keep your return tracking number — we can’t process a return without proof of delivery!
Infographic suggestions to go with this text on your Returns page:
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Timeline Bar: Showing "Order Received → 14 Days → Return Deadline"
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3-Step Return Process: (1) Log in → (2) Click return → (3) Ship it back
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Who Pays What: Side-by-side chart ("Your Choice" vs "Our Mistake")
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Checklist Visual: What’s accepted: New, Sealed — What’s not: Used, Opened
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Refund Clock: 5–7 Days to Process
Guaranteed Safe Checkout

Biolage Bond Therapy Smoothing Leave-In 150ml – Strengthens, Smooths & Protects Damaged Hair
Biolage Bond Therapy Smoothing Leave-In is a lightweight, bond-strengthening formula designed to smooth, fortify, and protect damaged hair. Powered by a unique vegan bonding complex, this leave-in targets weakened hair bonds and helps reinforce the hair fiber against daily damage from heat styling, brushing, and environmental stressors.
Perfect for all hair types, especially those that are chemically treated, dry, or brittle, it delivers instant softness and manageability without weighing the hair down. The creamy texture glides effortlessly through damp hair, sealing the cuticle for a frizz-free, polished finish. It also provides heat protection up to 450°F (230°C), making it ideal for blow-drying and flat ironing.
Infused with coconut oil and citric acid, this paraben-free, vegan formula supports internal bond repair while visibly improving shine and texture. With continued use, hair becomes stronger, smoother, and more resilient.
📌 How to Use the Product
Apply a small amount to towel-dried hair
Distribute evenly through mid-lengths to ends
Do not rinse
Style as desired with or without heat tools
💡 Key Features of the Product
Strengthens weakened bonds from within
Provides heat protection up to 450°F
Smooths and detangles for frizz-free styling
Lightweight and non-greasy finish
Enriched with coconut oil and citric acid
Paraben-free and 100% vegan
📌 Who Should Use This Product & Hair Concerns It Can Address
Ideal for individuals with damaged, brittle, or chemically treated hair
Addresses:
Weakened hair structure
Frizz and dryness
Heat styling damage
Breakage and split ends
💡 Why Should You Use This Product & Benefits
Repairs and strengthens hair from the inside
Smooths the hair surface for polished results
Prevents damage from heat and mechanical stress
Leaves hair silky, resilient, and healthier over time
📌 Recommended Complementary Products
Biolage Bond Therapy Shampoo 400ml
Biolage Bond Therapy Conditioning Balm 280ml
Biolage Bond Therapy Intensive Treatment 150ml