Hair Extensions Aftercare: How to Make Them Last

To make hair extensions last, wash them 2–3 times a week with a sulfate-free shampoo, brush from the ends up before working toward the roots, and always dry them fully before bed. Sleep in a loose braid or protective style to prevent tangling and matting at the attachment point, keep direct heat away from bonds or wefts, and use a leave-in conditioner to keep both your natural hair and the extension hair hydrated. Book a maintenance check with your stylist roughly every 6–8 weeks so attachments can be adjusted as your natural hair grows out. Following this routine protects both the extensions and the hair underneath them.

Washing: Frequency and Technique

Extensions don't need daily washing, and washing too often can actually shorten their life by loosening attachment points and drying out the hair. Most people do well washing every 2–3 days, or when the scalp genuinely needs it, rather than on a fixed daily schedule.

When you do wash: - Use a sulfate-free shampoo, which is gentler on both bonds/wefts and the extension hair itself. - Focus shampoo on the scalp and roots; let the lather rinse down through the lengths rather than scrubbing the mid-lengths and ends directly. - Apply conditioner from mid-length to ends only, avoiding the attachment area so bonds or tape stay secure. - Rinse thoroughly with lukewarm rather than hot water, which helps prevent dryness and slippage.

Pat hair gently with a microfiber towel or soft cotton towel instead of rubbing, which can cause tangling and stress on the attachment points.

Brushing: From Ends Up

Brushing technique matters as much as brushing frequency. Always start detangling at the ends, working out small sections of knots before moving the brush upward toward the roots. Brushing straight down from the scalp drags knots into the attachment area and puts unnecessary tension on bonds or wefts.

A brush designed for extensions (loop or boar-bristle styles) with flexible, widely spaced bristles is gentler than a standard paddle brush, especially near the attachment points. Brush at least once or twice a day, including before washing and after drying, to keep hair from matting.

Sleeping and Protective Styling

What happens overnight has a big effect on how long extensions stay smooth. Sleeping with hair loose lets it rub against the pillow and each other, which speeds up tangling and matting right at the attachment point.

Before bed: - Make sure hair is completely dry; going to sleep with damp extensions encourages tangling and can weaken bonds. - Gather hair into a loose braid, low ponytail, or "pineapple" style rather than a tight one, which can pull on attachment points. - A silk or satin pillowcase (or a silk sleep cap or bonnet) reduces friction compared to cotton.

Heat Styling and Product Care

Extensions can generally handle the same styling tools as natural hair, but the attachment area needs extra caution. Keep flat irons, curling irons, and blow-dryers at least an inch or two away from bonds, tape, or wefts, and use a heat protectant spray on the lengths before any hot tool touches the hair.

A daily leave-in conditioner or lightweight hair oil on the mid-lengths and ends helps prevent the dryness and friction that lead to tangling, especially since extension hair no longer receives natural oils from the scalp along its full length. Avoid heavy, silicone-rich products directly at the root or attachment point, since buildup there can make extensions feel gritty or slip prematurely.

Between salon visits, if your natural hair is feeling dry, brittle, or stressed from wear or heat, a bond-strengthening treatment can help. At Gloss Beauty, a Bond Repair add-on ($45 with a color service, $85 standalone) or a K18 Molecular Repair treatment ($50 add-on / $95 standalone) is a good option to bring hair back into balance without affecting the extensions themselves.

When to Come Back for a Maintenance Check

Even with excellent home care, extensions need periodic professional attention as your natural hair grows and the attachment points shift. A general guideline in the industry is a maintenance visit roughly every 6–8 weeks, though the right interval depends on hair growth rate, extension type, and how the attachment is holding up — your stylist is best placed to confirm timing for your specific install.

Watch for signs it's time to come in sooner: visible gaps near the scalp, bonds or wefts that feel looser than usual, unusual tangling near the attachment point, or discomfort when the extensions move. At Gloss Beauty, maintenance visits are by appointment (Tuesday–Saturday, 10:00–19:00), and any concerns can be discussed beforehand by calling +1 (437) 830-4193 or messaging Instagram @gloss_beauty_toronto.