Extensions look their best when they’re treated like the investment they are. A well-installed set of Remy human hair extensions is capable of lasting through three, four, sometimes five move-up appointments before the hair itself needs to be replaced — but only if what happens between salon visits matches what happens in the chair. Most of the “my extensions didn’t last” stories we hear start with a home routine that quietly degraded the hair over weeks.

This is a specialist’s guide to extension care at home. How to wash, dry, brush, sleep, swim, and style without compromising the install or the hair itself. Written with hand-tied, beaded-row, tape-in, and i-tip clients in mind — with notes on where care diverges by method.

Brushing: the single most important daily habit

Brushing is where most extension damage happens. The key rule: always brush from the ends up to the roots, never top down. Top-down brushing compounds tangles into the attachment points — the wefts, tapes, beads, or bonds — and tugs on them with every stroke. Bottom-up brushing removes tangles piece by piece without putting tension on the install.

Use a loop brush or a soft-bristle extension brush, not a standard paddle brush. Loop bristles pass over beads and wefts without catching. Hold the hair at mid-length in one hand while you brush below it — the hand acts as an anchor that keeps the attachments from moving while you work out knots. Brush twice a day minimum: once in the morning, once before bed. If you work out, brush out the tangles before the sweat dries.

Washing: how often, what products, how exactly

Extensions want fewer washes than your natural hair. Two to three times a week is the sweet spot for most clients. Washing daily dries the ends (extensions don’t receive natural scalp oils the way your own hair does), and waiting too long between washes lets product build up at the install points, which loosens tapes and irritates beads.

The product list is short but specific: a sulfate-free shampoo, a hydrating conditioner without heavy silicones, and a leave-in for the ends. Sulfates strip the hair and shorten its lifespan. Heavy silicones build up on the wefts and beads, and over time make everything slippery. Stick to clear or lightly tinted products — purple shampoo is fine if you’re blonde, but use it no more than once a week on extensions.

The washing technique matters more than the product. Brush the hair thoroughly before you get in the shower — never wash tangled extensions. Wet the hair, apply shampoo at the scalp, and massage gently with pads of fingers in a downward motion. Don’t pile the hair on top of your head or scrub aggressively; that’s how tangles and slippage start. Rinse completely, then apply conditioner from mid-length to ends — avoid the attachment points entirely. Leave conditioner on for three to five minutes, rinse, squeeze (don’t twist) excess water, and wrap in a microfiber towel.

Drying and heat styling

Wet extensions are at their most vulnerable. The hair is expanded, the cuticle is lifted, and tapes specifically are weakest when soaked. Never go to bed with wet extensions. Never brush them aggressively when wet. Never twist or wring them out.

Air-drying to about eighty percent dry, then finishing with a cool-to-medium blow-dryer setting is the gentlest approach. For tape-in clients, drying the tape area completely before bed is non-negotiable — damp tapes loosen. For hand-tied and beaded-row clients, drying the wefts and the hair directly above them fully prevents mildew (yes, really — wet extensions that stay damp for days in a row develop an odour and can weaken the beads).

Heat tools are fine on extensions, with one non-negotiable: heat protectant, every time. Use medium heat (around 300°F) rather than the maximum most tools reach. Remy human hair handles heat about as well as your own hair, but repeatedly topping it out will shorten the life of the hair. Avoid applying heat directly to the attachment points — the glue in tapes, the keratin bonds in i-tips, and the silicone in beaded methods all soften at high temperatures.

Sleeping in extensions

The biggest hidden damage to extensions is overnight. Eight hours of friction against a cotton pillowcase every night compounds into tangled, roughed-up ends by week four. Three fixes, in order of importance:

Switch to a silk or satin pillowcase. This one change alone extends the life of your extensions noticeably. Silk reduces friction and keeps the hair moisturised.

Put the hair up before bed. A loose braid or low, loose ponytail keeps the hair from winding around itself and around you. Avoid tight styles and anything that pulls at the install points.

Sleep on dry hair only. Wet hair plus friction plus hours of stillness equals matted, damp extensions in the morning.

Pool, ocean, and sweat — the water problems

Chlorine, salt water, and heavy sweat are the fastest way to shorten the life of extensions. Chlorine deposits on the hair and reacts with lightened tones to shift green and brassy. Salt dries the hair and strips moisture. Sweat softens tape adhesives and irritates beaded-row clips.

Before swimming: wet the hair with fresh water (saturated hair absorbs less pool or ocean water), apply a leave-in generously, and tie it up loosely. After swimming: rinse immediately with fresh water, wash as soon as you’re home with a clarifying or chelating shampoo to pull out chlorine or salt, and deep-condition the ends. For Denver clients who swim often, a dedicated swim cap is the gentlest option — not glamorous, but it’s the single biggest favour you can do your extensions in summer.

For sweat: brush out any tangles before the sweat dries, rinse with water as soon as possible after a workout, and don’t let the hair sit damp in a ponytail for hours. A light dry shampoo on the scalp between washes can extend time between full washes without stressing the install.

Method-specific notes

Tape-ins: Keep conditioner and oils strictly off the tape. Any oil or heavy conditioner on the adhesive area loosens the tape within days. Avoid hair products with high alcohol content near the tape line. Sleep with hair dry and loosely secured. Tape-ins are the method most sensitive to heat — keep tools below 300°F near the tape area.

Hand-tied wefts and beaded rows: The beads themselves don’t need special care, but the weft and the hair immediately above it do. Brush thoroughly every day around the wefts to prevent matting. Dry the weft completely after washing. Avoid cable-knit sweaters, velcro rollers, and anything else that can snag the weft. Rotate sleeping styles to prevent one side from matting faster than the other.

I-tips and k-tips: These are the most individual and the most forgiving, because each piece moves independently. The main vulnerability is the bond or tip itself — keep conditioner, serums, and heavy leave-ins off the bond area. When brushing, work from ends up with an extensions brush, being gentle at the bond line. I-tips handle heat and water slightly better than tapes but still benefit from all the general extension-care principles.

Products we recommend (and why)

A short product list covers almost every client. Oribe Gold Lust or Davines MINU shampoo and conditioner for clean, hydrating daily care. K18 leave-in for bond support if the extensions have been coloured or lightened at any stage. A loop brush or Wet Brush Pro for detangling. A silk pillowcase. A light argan or jojoba oil for the ends only — never near the install. Malibu C Hard Water Wellness packets for Denver’s mineral-heavy tap water, used every four to six weeks.

Purple or blue shampoo only if the extensions are blonde, and only once a week maximum. Excess violet pigment deposits faster on extensions than on your own hair and will leave them looking grey or lavender. We’d rather see clients come in for a gloss refresh than chase brassy at home with aggressive purple shampoo.

For more on how different methods hold up in Denver’s specific climate, our hair extensions Denver page walks through what we recommend and why.

Frequently asked questions

How do I take care of hair extensions at home?

Brush twice daily from ends to roots with a loop brush. Wash two to three times a week with sulfate-free shampoo. Keep conditioner strictly off the install points. Sleep on silk and never on wet hair. Heat protectant before any tool. Weekly deep-conditioning treatment on the mid-lengths and ends. That routine — more than any single product — is what makes extensions last.

How long should hair extensions last?

Remy human hair extensions, well cared for, should last three to four move-up cycles — usually six to nine months of continuous wear with proper maintenance appointments. Some clients get a full year out of a set. Extensions that start shedding, matting, or fading by month two or three are almost always the result of rough care, lower-quality hair, or both.

Can I colour extensions at home?

No — not box colour, not lightener, not even a toning gloss without a colourist. Human-hair extensions behave differently from your natural hair because they’ve already been processed at the manufacturer. At-home colour on extensions almost always ends in uneven tone, brassy patches, or snap-off mid-shaft. A salon toner refresh or gloss applied by your colourist is the only safe option.

Can I workout and swim with hair extensions?

Yes to both, with routines. Workout: tie the hair up loosely, brush out any tangles as soon as sweat dries, rinse sooner rather than later. Swim: wet the hair with fresh water first, apply a leave-in, tie it up, and wash immediately after with a clarifying shampoo. A swim cap is the most protective option if you swim often.