How to Apply Pre-Bonded Hair Extensions

Want full, long hair without going to the salon? Try pre-bonded hair extensions—because the glue is already attached, they’re easy to apply even if you’ve never used extensions before. Ask a friend to assist you to make the experience more enjoyable. If you’re still not sure how to attach them to your hair, keep reading for answers to some of the most common questions.

How many extensions do I need?

1. To add thickness to thin hair, 50 to 100 extensions are required.

If your hair is naturally thin, you’ll need at least 50 extensions, and up to 100 if you have thick, long hair. Plan on attaching 1 row directly across the back of your head in the middle. Apply another row approximately 1 inch (2.5 cm) below it. Then, for a more natural look, place two short rows of extensions on the sides of your head near your temples.

2. If you’re adding length to thick hair, use 125 to 175 pieces.

Thick hair requires more extensions to avoid noticeable length gaps. Apply 4–6 rows of extensions to the back of your head and 3–4 rows to the sides of your head. If you have thick hair, you’ll need to apply more rows near the top of your head than if you have medium or thin hair.

3. If you’re adding extensions to short hair, get 150 to 250 pieces.

Short hair necessitates a plethora of extensions! If your hair is thin, aim for 150 to 175 pieces. Use 200 to 225 pieces for medium-thick hair, and at least 250 pieces for thick hair. This gives you enough pieces to sew 8 to 10 rows on the back of your head and 6 to 8 rows on the sides of your head.

This may appear to be a large number of pieces, but it’s better to have extra than to run out while doing your hair.

How many rows of hair extensions do I need?

You’ll need two or three rows in the back and two on the sides.

Create a horizontal line across the back of your head. Clip the hair above this line so it doesn’t get in your way. The bottom section should then be divided into two or three even rows. Also, divide your hair on the sides of your head into two horizontal sections. Keep those sections separated and out of the way with clips.

If you’re doing short hair extensions, plan on doing 6 to 8 rows on each side of your head. Keep them about 1 inch (2.5 cm) apart.

How should I attach the extensions to my hair?

1. Collect a section of hair and place the shield near the scalp.

Begin working on the bottom row’s left end, about 12 inch (1.3 cm) from the edge. Push the circular shield that came with the extensions onto a small section of hair that is the same width as the extension—usually around 14 inch (0.64 cm). Maintain a distance of 12 inch (1.3 cm) from the scalp with the shield.

Most pre-bonded extensions come with a round heat-protective shield, but if yours did not, simply purchase a generic hair extension shield from your local beauty supply store.

The shield keeps the glue out of your surrounding hair. Clip the shield onto the hair closest to your scalp to keep it in place.

Because you must apply the extensions one small segment at a time, it will take some time. Fortunately, you’ll pick up speed as you go.

2. Place the extension bond on the hair and pinch it for 3 seconds with the heat tool.

The bond is the extension’s hard, nail-shaped end. Press it against the small section of your own hair that is poking out from the shield. Then, using the heat tool designed for your hair extensions, pinch the bond with your hair. Hold it for 3 seconds to allow the glue to melt.

As the adhesive melts, it will most likely smear or spread slightly—this is perfectly normal! Following that, you’ll shape and secure the extension.

3. Remove the shield and roll the fused extension with your hair.

Set aside the heat tool and get to work quickly! With your thumb and forefinger, pinch the melted part of the extension and your hair. Squeeze and roll it to ensure that the adhesive bonds with your hair and the extension remains in place.

Roll the bond and hair together for about 5 seconds to get a good grip.

4. Along each row, space each extension 1/2 inch (1.3 cm) apart.

Gather another 1/2 inch (1.3 cm) of hair away from the extension you just applied and thread it through the hair shield. Press and roll another extension into place, then continue along the row. 1/2 inch (1.3 cm) from the end of the row, apply your final extension. 

Once the extensions are attached to the bottom row, let down the next row of hair and add more. Finish with the rows on your head’s side.

Can I wash and condition my extensions?

1. Wash your hair gently, without conditioning the bonds.

Allow a full day before shampooing or conditioning your hair. Wash gently so that you don’t pull on the bonds or make them oily. Wash your hair in the shower rather than flipping it over and washing it in the sink. When conditioning, keep the product at least 3 inches (7.6 cm) away from your scalp to avoid getting too close to your bonds.

2. Instead of rubbing, blot your hair dry with a towel.

If you’re like most people, you probably grab a towel and begin rubbing your hair dry, but this can cause serious damage to your extensions. Wrap your hair in a towel to absorb the water and treat them gently. Then, using a low-heat setting, blow-dry your hair.

How often should I brush my extensions?

Brush your extensions twice or three times per day.

It’s critical to keep your extensions from tangling, but you also need to be gentle with them. At least twice a day, brush your hair with a boar and nylon bristle brush or a loop brush. Begin brushing from the ends towards the bond, avoiding the scalp to avoid tying the bonds.

Put on a cap or braid your hair before going to bed to keep it from becoming tangled while you sleep.

How long will the extensions last in my hair?

Pre-bonded hair extensions have a four-month lifespan!

If you apply the extensions correctly and maintain them on a daily basis, they should last up to four months.

How do I get pre-bonded hair extensions out?

1. Squeeze three or four drops of removal product onto the bond.

Purchase extension removal liquid or a solvent that is compatible with your hair extensions. Then, apply 3 or 4 drops of the product to the bond near your scalp. It works by breaking down the adhesive, allowing you to easily remove the extension.

2. Break up the bond by pinching it with flat pliers.

Pinch the bond 5 times to help the solution penetrate the adhesive. This also helps to crumble the adhesive, making it easier to remove the extension.

3. Remove the extension and shampoo your hair.

You may be able to pull the extension out immediately by tugging on it, or you may need to use a fine-toothed comb to do so. After you’ve removed all of your hair extensions, wash your hair with shampoo and conditioner.

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