What is the difference between a Japanese straightening and a Keratin treatment?

The Japanese straightening requires healthy hair to withstand the process and offers no protection. The Brazilian keratin treatment coats your hair shaft with keratin offer protection and smoothes the cuticle givining instant shine and nurishment. The treat mention is sealed in and activated by heat. Sealing the keratin into each strand of hair. It not only protects and grows hair. It can be done on top if relaxers, color or perms. There is no risk of further damage or breakage providing you use the sulphate free products recommended. I have over 20 years of dealing with damaged broken hair. I have never seen a product that offer protection, shine, strength and growth. As a bonus it will cut down your home care by at least half! I have plenty of befor and after pics on Instagram : hairbylauralyn. I have experience on all types of hair. Take a look. Feel free to contact me anytime with any questions or queries you may have.
Hair by Lauralyn

Hi the brazilian blow dry is much kinder to the hair whilst still leaving the hair much smoother, straighter and reducing the volume.
Also it washes out gradually so no unsightly re growth.
Because the hair is left smooth and straight you won't need to use flat irons to straighten it which in turn the condition of the hair improves.
Where are you based ? I offer a home treatment for between £60-110 depending on hair length, thickness and how far away you live.
Jo