The 4Bond Keratin Protein Smoothing STRAIGHTLINES Treatment is the most exciting and advanced innovation in smoothing and anti-frizz technology. Long lasting results of up to 5 months can be achieved depending on hair type, cleansing routine & maintenance.
Fortify & Maintain – 4Bond STRAIGHTLINES provides enhanced shine while conditioning, fortifying and maintaining salon services.
Repair Any Damage – Specifically engineered to seal the hair cuticle and repair split ends that have incurred damage through chemical services such as: color, lightener, smoothing, straightening and thermal styling.
Natural Ingredients – Smart Target Technology, a first of its kind, infuses a Proprietary Blend of Polymers, Keratin, Quinoa, and Baobab Proteins rich in Amino Acids into the hair’s cortex.
4Bond STRAIGHTLINES is a unique product made to smoothen the most stubborn of curly hair. SLT can be used as an express service made to smooth and provide anti-frizz agents. In addition it will strengthen and condition with our 4Bond building ingredients.
4Bond STRAIGHTLINES infuses a Proprietary Blend of Polymers, Keratin, Quinoa, and Baobab Proteins rich in Amino Acids into the hair’s cortex. SLT will provide enhanced shine while conditioning, fortifying, and maintaining salon services. It is specifically engineered to seal the hair cuticle and repair split ends that have incurred damage through chemical services.












Mick Brown –
“I have been using the 4Bond Straightlines by Dennis Bernard for a while now. Over that period I have seen, what I can only describe as a major shift in my results with this type of product. Having used many of these protein based treatments over the years, my opinion is that Straightlines ranks as the best so far. Easy to understand, easy to apply with consistent results”.
Adrian, One Step Ahead, Essex
Mick Brown –
Love Dennis’ products so far. Looking forward to trying more of his range!
John Coronado, hairdresser, Essex