Keratin treatments have earned their place as a go-to solution for smoothing frizz, enhancing shine, and giving hair a more polished, manageable look.

But with salon prices climbing and more DIY kits available online and in beauty stores, many are tempted to try this smoothing miracle at home.

Before you grab a flat iron and a box of at-home keratin, here’s what your hair really needs you to know.

First, understand what keratin treatments actually do. These formulas infuse the hair shaft with keratin, a protein naturally found in hair, to fill in gaps caused by damage. The result? Sleeker, shinier strands that are easier to style. However, applying heat to seal in the treatment is crucial, and when done incorrectly, it can cause more harm than good.

At-home kits promise professional results, but they require precision and care. Missteps, like using too much product, not drying the hair thoroughly before flat ironing, or overheating, can lead to hair breakage or protein overload. And let’s not forget the fumes; many keratin products contain formaldehyde or similar ingredients, which can be irritating to your eyes, skin, and lungs without proper ventilation.

Your hair type also matters. DIY keratin treatments tend to work best on wavy to loosely curly textures. If you have tight coils or chemically treated hair, it’s best to consult a professional first. You may need a more tailored formula, or may want to avoid keratin altogether to prevent overlap with relaxers or color treatments.

If you do decide to go the DIY route, choose a formaldehyde-free formula and follow instructions to the letter. Invest in a quality flat iron that reaches at least 450°F, and ensure your space is well-ventilated. Post-treatment, use sulfate-free shampoos and limit heat styling to maintain results.

In the end, at-home keratin treatments can be effective when done with care, research, and the right tools. But if you’re new to the process or have high-maintenance hair, booking a salon appointment might save you time, stress, and potential hair damage. Sometimes, it’s better to let the pros take the reins, your strands will thank you.

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