How to apply tape-in extensions

A tape-in sandwich is two tabs and a thin panel of natural hair. Too much hair and the tabs never close on each other. Too little and the weft is hanging off a handful of strands. Both fail, and both get reported as "the tape was weak".

Almost everything that goes wrong in an install is decided in the first ten seconds of each sandwich: how clean the hair is, how thick the section is, and how far off the scalp the tab sits. The pressing and the waiting are what make it hold.

Prep decides the hold

• Clean hair. Wash it, and do not condition the roots.
• Dry hair. Not damp at the roots, dry.
• No product. No oil, no leave-in, no dry shampoo anywhere near the section.
• Sectioned hair. You can't judge panel thickness by eye in loose hair.

This list is boring and it is where most slip comes from. Adhesive bonds to hair, not to the film of conditioner on it. A tab pressed onto a root with any oil in it is a tab that will slide in a fortnight, and no amount of pressing fixes it afterwards.

The install, step by step

1. Section horizontallyClean, straight partings, working bottom to top. Crooked sections make wefts sit at angles and show.
2. Take a panel you can see throughThe panel between the tabs should be thin enough to see light through. This is the single judgement that decides whether the sandwich closes properly.
3. Place the lower tabSticky side up, under the panel, about a finger's width off the scalp. Closer and every brush is traction; further out and the weft shows when the hair parts.
4. Lay the weft on the tabFlat and square. A weft placed at an angle pulls unevenly for the whole cycle.
5. Close with the upper tabDirectly over the lower one, sandwiching the panel. Edges aligned, offset tabs leave an exposed sticky margin that collects everything.
6. Press, properlyWith the application tool, along the whole tab. Fingers are not a press. This is the step that turns contact into a bond.
7. Leave it alone for 24 hoursNo washing, no swimming, no hard workout. The adhesive needs that set, and skipping it is the most common reason a DIY install slips.

Where tabs should not go

• The hairline and the front parting, visible, and the hair there is the most fragile.
• The very top of the crown, where a weft has nothing above it to hide the seam.
• Directly over an existing tab line from the last cycle, if that area is tender.
• Anywhere the natural hair is short, regrowing, or already thinning.

Weight matters as much as position. Fine hair takes fewer and lighter wefts, not the same install done more carefully. A stylist who says no to a full head on fine hair is doing the job properly. Where each row goes is mapped in the tape-in placement map.

Re-tabbing hair you already own

Wefts come off with tape already on them, and that tape is single-use. To reuse the hair you strip the old tab, clean the seam, and press a fresh tab on. This is also how you use hair from another brand with our system: buy the wefts you like, strip what they came with, re-tab with ours. Bellami, Hairtalk and Babe are the three we have actually done this with. At a move-up, follow how to re-tape without washing.

When this is a stylist's job

If you have never sectioned the back of your own head, a first full-head install isn't the place to learn. The panels you cannot see are the ones that end up too thick, and a too-thick panel is a tab that slips and a weft that pulls. The Complete System ships with a step-by-step guide because the method is learnable. It isn't a substitute for a first install you can't see.

What this guide is based on

The sequence here is the one taught and used at Vanity Hair Salon, written by a licensed cosmetologist with 21 years behind the chair. The failure modes named, thick panels, product at the roots, skipped set time, are the ones that come back into the salon as slipping installs.

Questions we get asked