Keratin hair treatment
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The Truth about Keratin.

Most if not all Keratin treatments are now diluted, all over voucher sites and heavily discounted. This is not a quality product.
Make sure to do plenty of research before committing to a salon.
Some salons change their names after a while when they accumulate bad reviews and resort to buying reviews.
Most Keratin treatments affect hair colour in a negative way and will dry out the hair after a few weeks.

In my opinion most keratin treatments that are pushed aggressively on voucher sites are not genuine.
They charge you up front without initial consultation and will ask for money once you are there.
Keratin treatment Sydney

Keratin treaments can change hair colour dramatically as it contains ingredients that fades the hair colour.
The brazilian blowout does not fade hair colour. It enhances it.

Keratin treatment Sydney