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keratynowe prostowanie włosów - jak dobrać kosmetyki

keratin hair straightening - how to choose cosmetics

Keratin hair straightening is one of the most popular hair treatments in recent years. It works like a magic wand for those with frizzy, difficult to style, dry and damaged hair. Thanks to the introduction of keratin - a natural protein that builds hair - the strands become smooth, shiny and straightened for up to several months. However, for this effect to last as long as possible, proper care after the treatment is necessary. In this article, I will show you how to choose cosmetics after keratin straightening, what to avoid and what to love.

Why is care after keratin straightening so important?

After the keratin hair straightening treatment, the structure of the strands is temporarily changed. The hair is "filled" with keratin, which gives it a smooth and healthy shine. Unfortunately, everyday external factors - pollution, detergents, high temperature or inappropriate cosmetics - can contribute to faster washing out of keratin. As a result, the effect of straight, healthy hair disappears faster, and the hair itself can become dry and lifeless.

Proper care after the treatment is not only a matter of aesthetics, but also the health of the hair. With the right cosmetics, you can not only prolong the effect of keratin, but also support the reconstruction of the hair structure and protect it from damage.

What to avoid after keratin straightening?

Before we move on to recommendations, it is worth knowing which ingredients and care practices are strictly prohibited after keratin straightening:

  • Sulphates (SLS, SLES) – aggressive detergents that wash away keratin from hair.
  • Drying alcohols – such as Alcohol Denat., Isopropyl Alcohol – can dry out hair and damage its structure.
  • Water-insoluble silicones (e.g. dimethicone) – create an impermeable film on the hair, which makes it difficult for active ingredients to penetrate and may contribute to a weakening of the smoothing effect.
  • Washing your hair too often accelerates the washing out of keratin.
  • Using hot water to wash your hair – high temperatures can accelerate the degradation of keratin.

Which shampoos to choose?

The basis of care is of course shampoos. After keratin straightening, it is crucial to use shampoos without sulfates . These are gentle washing preparations that not only cleanse the hair and scalp, but also do not wash out keratin. In the composition, it is worth looking for ingredients such as:

  • Panthenol – moisturizes and regenerates.
  • Aloe – has a soothing and calming effect.
  • Keramides and proteins – support the hair structure.
  • Argan or coconut oil – protect and shine.

Remember not to wash your hair too often – ideally 2-3 times a week. If you need to freshen up between washes, reach for a dry shampoo without alcohol.

Conditioners – which to use and which to avoid?

Conditioner is a cosmetic that should be gentle after keratin straightening and at the same time support the action of keratin. The ideal conditioner should contain:

  • Emollients – e.g. shea butter, jojoba oil, avocado oil.
  • Humectants – e.g. glycerin, betaine, aloe.
  • Vegetable proteins – strengthen the hair structure.

It is worth avoiding conditioners that contain large amounts of dimethicone silicones and parabens. These types of ingredients can weigh down the hair and cause the straightening effect to lose faster.

Mask – a must-have in post-treatment care

Regenerating masks are an absolute must-have in hair care after keratin straightening. They should be used at least once a week, and preferably twice. Look for masks with:

  • Hydrolyzed keratin – strengthens hair from the inside.
  • Amino acids – regenerate and elasticize the strands.
  • Herbal extracts – e.g. nettle, horsetail, ginseng.
  • Natural oils – moisturize and protect the hair.

Avoid masks with paraffin and mineral oils - they can create a heavy layer on the hair, causing it to become flat.

No-rinse cosmetics – light but effective

Light mists, milks or creams without rinsing are a great way to protect your hair from the harmful effects of the environment every day. The ideal product without rinsing after keratin straightening:

  • does not contain alcohol,
  • has a light, non-greasy formula,
  • contains film-forming ingredients that protect the hair,
  • has a UV filter.

Ingredients worth finding in them are: aloe, collagen, keratin, bamboo extract, silk.

Oiling your hair – yes, but do it wisely

Oiling after keratin straightening is absolutely possible and even advisable – provided that we use the appropriate oils:

  • Argan oil – light, quickly absorbed.
  • Broccoli seed oil – acts as a natural silicone.
  • Grapeseed oil – does not weigh down, adds shine.

However, do not overdo it with the quantity – it is best to apply a small amount of oil once a week on the lengths and ends.

Hair styling after keratin straightening

After the treatment, styling becomes much easier, but it is still worth protecting your hair. Choose products:

  • no alcohol ,
  • with UV filters ,
  • with thermal protection – if you use a dryer, straightener or curling iron.

Avoid strong-hold stylers, such as hairsprays with a high alcohol content or mousses with strong preservatives.

Heat – ally or foe?

For the first few days after the procedure, it is best to avoid washing your hair, tying it up, or using clips. After that time, heat styling is not prohibited, but it should be limited. If you have to, remember to use heat protection and do not set the temperature too high.

Ready-made care kits after keratin straightening

Many cosmetic brands offer ready-made hair care kits after keratin straightening. You will find shampoos, conditioners, masks and protective sprays - all with formulas tailored to the needs of smoothed hair.

Check out products marked as:

  • "Post Keratin Treatment",
  • "Keratin Care",
  • "Sulfate-Free Smooth Hair".

Home care step by step - sample weekly plan

Monday: Wash with sulfate-free shampoo + moisturizing conditioner.

Wednesday: Wash + keratin mask + protective leave-in spray.

Friday: Wash + light conditioner + styling with thermal protection.

Sunday: Oiling + washing + regenerating mask.

Summary

Choosing the right cosmetics after keratin hair straightening is key to maintaining the beauty, smoothness and health of your strands for a long time. Avoid strong detergents, alcohols and silicones. Reach for gentle, moisturizing and regenerating formulas. Take care not only of washing, but also of nourishment and protection from external factors.

Your hair will thank you for it – it will become soft, shiny and full of life. And the effect of keratin straightening? It will please the eye for many weeks – without the need to use a straightener every day.

In the next post I will present a ranking of the best shampoos and conditioners after keratin straightening. If you have your own cosmetic hits – let me know in the comments!

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