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Olaplex vs Kerastase – Which Is More Effective?

Olaplex vs Kerastase – Which Is More Effective?

Who doesn’t need to repair their damaged hair? I know I sure do. Olaplex and Kerastase can be used to restore and repair your hair. Depending on your hair type, there are certain things you must consider before making your choice between Olaplex and Kerastase. I will let you know which one will best suit your needs, so you can look your best. 

Why You Should Take Care of Your Hair

Hair treatment is a necessary part of your daily routine. Treating your hair with love does not only show on the outside; it can help on the inside and be therapeutic. Many people struggle with how to treat their hair. 

Whether you are dealing with hair loss, frizziness, thinning hair, or you just want more luscious locks, it is important to carefully select your hair care products. There are many things to consider, such as the chemicals, active ingredients, and the treatment process. Set a budget, and read the label before making a purchase. 

What Is Olaplex?

Olaplex offers a multi-step process to repair and restore hair. Their products also prevents future damage. If you are someone who loves regular hair coloring appointments, this helps to restore your hair’s broken bonds by working on a molecular level. Harsh chemicals from bleach and color can break down your hair by strengthening, rebuilding, and protecting broken disulfide bonds during and after hair treatments. 

What’s in Olaplex Hair Products?

Hair can get so damaged after years of heat, chemicals, or the sun. Olaplex created a line of single-ingredient products that are free of silicone and oils. Olaplex does not contain sulfates, phthalates, hemp, aldehydes, parabens, or formaldehyde, which can all be harmful to your hair. Extensive research has been done for long periods to prove the effectiveness and safety of this product. Give some self-care to your hair.

How Do You Use Olaplex?

Olaplex offers multi-step processes for salon and at-home services. It is important to use all of the steps properly to ensure that your hair is healthy, strong, and beautiful. Look for salons with professionals that have their Olaplex certification to ensure proper services and techniques during chemical processes.  

Olaplex Products

Olaplex has a variety of products on the market, but here are their top products.

Olaplex No. 0 Pre-Wash Treatment

Olaplex No. 0 is a at home intensive hair repair booster that was designed to be used in conjunction with No. 3. It is not recommended to use this product on its own. 

Olaplex No. 1 Bond Multiplier

Olaplex No. 1 can be mixed with highlights, balayage, or high lift color. It is used professionally in a salon setting. 

Olaplex No. 2 Bond Protector

Olaplex No. 2 is applied after rinsing highlights or color from the hair, to eliminate breakage. This is also used professionally in a salon setting. 

Olaplex No. 3 Pre-Wash Treatment

Olaplex No. 3 offers is a at-home pre-wash treatment that stays on for 10 minutes to work its magic. It reduces breakage and strengthens hair. 

Pros to Olaplex Products 

  • Makes your hair stronger.
  • Gives extra shine and smoothness to your hair.
  • Repairs split ends and reduces frizziness. 
  • Reverses excessive heat damage caused by styling tools. 
  • It is not tested on animals.

Cons to Olaplex Products 

  • These products are water-based, which can diminish hair color. 
  • Olaplex is better for thin hair. 
  • Olaplex is much more expensive than Kerastase.

What Is Kerastase?

Kerastase is a French brand of hair care that focuses on treating thinning and damaged hair. They offer a variety of hair care products that you can use at home. These products restore your natural Keratin proteins. This keeps the hair fibers healthy. You can also use these products to protect your hair from heat.    

How Do You Use Kerastase?

A conditioner and a cleanser make up the treatment framework. This conditioner is used before shampoo. By using the conditioner before shampooing, you are mending the hair before purifying it. If you find your favorite products, you can purchase them in bundles to save money. Since there are so many varieties to choose from, be sure to carefully follow the instructions provided on each bottle to ensure effectiveness.  

Kerastase Products

Kerastase has a variety of at-home products available. They also offer bundles so you can buy some of your favorite products together. 

Kerastase Nutritive Shampoo and Conditioner 

Both the shampoo and conditioner work for all hair types but it works especially well on dry, sensitive hair. You only need a small amount for long hair. 

Kerastase Densifique Bain Densite

This shampoo helps to add density to your hair, making it more luscious. This gentle cleanser is enriched with Stemoxydine molecules for hair density. 

Kerastase Resistance Serum Therapiste

If you have harmed hair, you will benefit from using this serum. You are suggested to use 1–2 pumps on your towel-dried hair before blow-drying. 

Pros to Kerastase Products 

  • This brand is much more affordable compared to Olaplex.
  • These high-quality products are at a fraction of the price.
  • The shampoo and conditioner work to restore hair’s natural shine. 
  • Multiple products are available to help you with specific needs. 

Cons to Kerastase Products 

  • It is a bit more expensive than your typical over-the-counter shampoos and conditioners. 
  • Better for normal to dry hair.

Main Differences 

Olaplex requires professional application in a salon, while Kerastase can be used in your own home. Olaplex works to restore bonds and prevent damage, whereas Kerastase focuses on eliminating dandruff and frizziness. Olaplex is better for thin hair, and Kerastase offers treatment for a variety of hair types. Kerastase has been around for longer than Olaplex, but there has been extensive research done on the effects of the long-term usage of Olaplex.    


Both brands are luxurious hair care products. Both brands work to make your hair the healthiest and most beautiful. Both use restorative properties to rebuild hair bonds. Both Kerastase and Olpaplex have excellent reputations and positive customer reviews. Both are considered luxury products that work to strengthen your hair.  

Who Is Best Suited for What Product? 

If you want to save some money and do your hair treatment, then Kerastase would be a great, affordable option for you. If you need a bit more strength due to excessively colored or damaged hair, Olaplex can be used in a salon by professionals. You can also opt-in for the Olaplex at-home treatment after steps 1 and 2 to ensure that your hair is strong and beautiful for a longer period. Both products work to restore your hair’s natural beauty.  

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