Should I put anything in my hair before straightening?

Author: Maybelle McCullough  |  Last update: Wednesday, October 29, 2025

One of the most important hair straightening tips includes this one that applies to all hair types is that one should not use anything before straightening. Except for a heat protectant, stay away from oil or any other hair product.

What should I put on my hair before straightening?

Getting your hair wet is the first step to straightening it, so start by washing and conditioning your hair. To improve hair moisture and prevent frizzing, use a deep conditioner, or leave your regular conditioner in your hair for an extra two or three minutes. Optionally, use a shampoo formulated to straighten hair.

How do I prepare my hair for a straightener?

How to Straighten Hair: 11 Flat Iron Tips for Perfectly Straight...
  1. Prep for Straight Hair in the Shower. ...
  2. Rough Dry Your Hair. ...
  3. Use the Right Brush. ...
  4. Wait Until Your Hair is Bone Dry. ...
  5. Use a Thermal/Heat Protectant. ...
  6. Monitor Your Temperature. ...
  7. Take It One Section at a Time. ...
  8. Always Hold Your Hair Taut.

Is it necessary to apply serum before straightening?

You must apply a heat-protectant product before you straighten your hair. Choose a heat protectant spray or serum that is specifically designed for heat-styling tools. Heat protectant act as a barrier between the hair and the heat prevents the burning of hair. It reduces the amount of damage the heat can do.

Should I put product in my hair before or after straightening?

After straightening your hair, it's generally recommended to wait at least 24 to 48 hours before applying any oils or heavy products. This waiting period allows the hair cuticles to close properly and helps to set the straightened style.

CURLY TO STRAIGHT: No Frizz, No Damage

What oil to put on hair before straightening?

Almond Oil

Almond oil is another nourishing oil with a high smoke point that can be used as a natural heat protectant for hair before straightening or curling. Almond oil has a smoke point of 430 degrees, and it absorbs quickly without weighing the hair down.

Is it OK to straighten hair with product in it?

Before you get to work straightening your curls, you will need to thoroughly wash your hair to remove any products or buildup.

What heat protectant should I use before straightening?

Almond oil is another nourishing oil with a high smoke point that can be used as a natural heat protectant for hair before straightening or curling. Almond oil has a smoke point of 430 degrees, and it absorbs quickly without weighing the hair down.

What goes first, hair oil or heat protectant?

If your chosen hair oil doesn't have true thermal protection qualities, then apply it after a heat protector like Kérastase Thermique but before heat styling. As a post-styling finisher, hair oils can tame unwanted frizz caused by heat styling, define hair shape, and leave hair with more shine and subtle fragrance.

Should I wet my hair before straightening?

Using a normal flat iron to straighten wet hair should be avoided at all costs. Even if your hair is just slightly damp, your strands are still at risk for intense damage. Ultimately, the only time you should be picking up a flat iron to style your hair is when it's 100 percent dry.

Should I put leave-in conditioner in my hair before straightening?

In answer to your question, “Can I straighten my hair with a leave-in conditioner?” the answer is: technically, no. But, if your hair runs dry, it can be extremely helpful to use a leave-in conditioner after you wash and before you flat iron. It will help keep your ends from getting that dry, burnt, straw-like look.

Why won't my hair stay straight after I straighten it?

The primary reasons why your hair won't stay straight after you straighten it are (1) your flat iron wasn't hot enough, (2) you overloaded your hair with product, (3) you need a trim, and (4) your hair wasn't dry.

How to prepare your hair for straightening?

How to Get Perfectly Straight Hair at Home: 6 Pro Tips
  1. Start with completely dry hair. ...
  2. Stay away from oil-based thermal protectors. ...
  3. Use hairspray before you straighten. ...
  4. Use a fine-tooth comb when straightening. ...
  5. Consistency is key. ...
  6. Focus on your hair's health first (stylists love coconut oil for this).

What is the least damaging hair straightener?

For those with fine, normal, moderately coarse, or color-treated hair, Rehkopf says ceramic is the healthiest option. "Ceramic is smooth and glides through hair without snagging, reducing breakage and damage," she says. "It emits negative ions, reducing frizz, enhancing shine, and creating smoother styles."

Why does my hair look fried when I straighten it?

A few things can cause frizz after straightening hair, including not using a heat protectant, using too much heat, or not properly sealing the hair. A heat protectant is essential to help keep the hair from damage by the straightener's heat. Applying too much heat can also cause frizz.

Should I put oil in my hair before straightening?

DO Use on dry hair before curling or straightening. Even if you're working with dry hair, you should always protect your strands from the heat of your styling tools. Prepping your hair for curling or straightening with a hair oil or elixir will prevent damage and make styling even easier.

What is the curly girl method?

Here's how to do the Curly Girl Method step-by-step.
  • Step 0: Reset Wash. First up, do a reset cleanse to remove product build-up from your strands. ...
  • Step 1: Cleanse. Wash your hair with a co-wash conditioner or a sulfate-free, low-poo shampoo. ...
  • Step 2: Condition & Detangle. ...
  • Step 3: Style. ...
  • Step 4: Plop. ...
  • Step 5: Repeat.

Can you use too much conditioner?

Too much conditioner will eventually coat your hair in heavy build-up, leaving you with a lifeless, unmanageable mane. If you don't use enough conditioner, your hair will be hard to comb out and look dry. Be sure to match your application of conditioner to your hair length and type.

What can I put on my hair before straightening?

So, if you are wondering exactly what to apply before ironing hair, these are the 4 must-use products: a hair primer, a thermal heat protectant, a hair serum, and a split end sealer. Taking these steps after thoroughly washing and conditioning your hair is essential before you begin your heat styling routine.

Is it OK to straighten hair without protectant?

Yes, you need protection every single time you use heat on your hair. Each styling session exposes your strands to damaging temperatures, and yesterday's protectant won't help today's styling. Think of it like sunscreen—you wouldn't skip it just because you used it yesterday.

Why does my hair sizzle when I straighten it?

“If you see steam or you hear a sizzle, stop and evaluate the situation,” “Hair should be bone dry when you straighten.” If you're certain that the hair is dry, it could be that product build-up is the culprit. “You need to be selective about what products you use before you flatiron,” insists Guy.

Do you let heat protectant dry before straightening?

If you're curling your hair or straightening, spray each section before applying the hot styling tool. This ensures the section gets a full dose of heat protection. After you spray your hair or section with heat protectant, LET IT DRY BEFORE APPLYING HEAT.

How to get a silk press?

How To Do a Silk Press at Home
  1. Start with clean hair. ...
  2. Use a leave-in conditioner. ...
  3. Apply heat protectant. ...
  4. Part your hair. ...
  5. Blow dry your hair. ...
  6. Prep your hair for your flat iron. ...
  7. Press your hair. ...
  8. Seal the style.

How can I permanently straighten my hair without damaging it?

“A keratin treatment is considered to be the safest way to permanently straighten hair because it does not rely on harsh chemicals as relaxers and permanent waves do.” How Does It Work? A stylist applies a keratin-based product that includes a formaldehyde derivative to your washed hair.

Previous article
Should I brush my hair before going to the salon?
Next article
Does Wella T14 work on yellow hair?