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Here’s Why You May Want to Avoid One of the Most Popular Keratin Treatments

As someone with very coarse, thick, curly hair, I’ve tried everything over the years to get my mane into a good place (aka a non-frizzy, somewhat straight situation).

I remember my first chemical relaxer treatment in London for my 13th birthday. I was so excited, only to find that it barely did anything to my hair except damage it even more. Then there was the Brazilian Blowout phase when I was 23. I saved up all summer ($800!), and ended up sitting through the six-hour process, which resulted in taking out all my natural body and leaving my hair limp, yet still not de-frizzed or relaxed the way I wanted it to look.

Fast forward to now, and keratin treatments have been the ultimate game-changer. I’ve had a couple, and the last one I received lasted me three years. The process has truly proved to de-frizz and make hair so much easier to style. It’s so much less expensive than the Brazilian treatment, and really doesn’t even take that long.

The brand Trissola is one of the top-used keratin treatments in salons today, and for good reason. But if you’re considering using this critically acclaimed product, it’s important that you know all the facts behind it—including a major deterrent.

I reached out to celebrity colorist Cassondra Kaeding, who broke down the pros and cons of this particular treatment, and why it may not be in the cards for everyone. Keep reading for what she had to say.

long, straight-haired brunette poses from behind wearing a white cowboy hat

(via Unsplash)

Formula Name: Trissola

Years Popular:  This treatment has become popular within the last 4-5 years. A lot of women would do a straightening, smoothing treatment that would make their hair stick straight. Over the years clients are embracing their natural texture, but they instead want to eliminate the frizz, which cuts the styling process in half.

Price Range: $250-$450

Pros: This product can eliminate frizz from 80-100%.

Cons: You have to use a shampoo and conditioner that’s recommended by the company. Clients are use to their favorite everyday products, but in order for the treatment to last long, you must use the products recommended.

long-haired brunette twirls in teal dress

(via Unsplash)

Why It’s Not as Common Anymore: A lot of straightening treatments contain heavy amounts of formaldehyde, which can cause shortness of breath, coughing, nose and throat irritation. It can also lead to forms of cancer.

Anything Else to Know: Speak to your stylist about follow-up appointments, products you should and should not be using. Make sure if you color your hair, do hair color first then the smoothing treatment to follow.


If straight hair is what you’re after, THESE are the three features to look for when you make your next flat iron purchase.

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