Can this be used on hair that is highlighted with bleach and 20 volume?

what's great is that Petter Coppola now has a formula for blondes which I would suggest using if you have a good amount of blonde highlights. But if your base isn't blonde but a brunette with blonde highlights your stylist would have to make that judgment. If you are blonde with blonde highlights then the blonde formula is a must. The reason why they created that formula is because from the past blondes found that the keratin treatment didn't last as long as someone who had darker hair. Blonder hair is naturally more porous so it was not holding onto the keratin. I hope this helps

Is this enough product to do 1 treatment on thick, shoulder length hair?

yes. my hair is shoulder length and i use this product. there's enough for one application

Where are the directions

SHAMPOO: Shampoo hair thoroughly once with the Clarifying ShampooTOWEL DRY: Towel-dry hair until there is no excess water (~ 70% dry) Squeeze hair with a towel, do not rubAPPLY (Part 1) Make sure tools are laid out properly and are easy to access. Shake Keratin Treatment tube well and pour 2 oz of product into tint bowlAPPLY (Part 2): Section hair into 4 sections. Front hairline to nape of neck. Apex of the head to just behind ears on each side of the headAPPLY (Part 3): After hair is in "touch up" sections, starting in the back right section, pull down 1" of hair and begin applying product just off the scalp through the ends of hair. Use a fine tooth tail comb to comb product into each section.PRO TIP: Make sure that there is complete coverage. Proper saturation is key, all of the hair must have product applied to it to perform correctly.PROCESS: After product has been applied, process hair according to the condition. As little as 20 min for hair that is damaged (bleached, double processed, heavily highlighted, or previously relaxed). Up to 50 min for hair that is virgin, very coarse, very thick, or very heavy curl pattern.Comb hair smooth every 5 min of processing with fine toothed combRINSE: Rinse thoroughly with warm water until water runs clean, approx. 3 minBLOW DRY: Blow dry hair 100% into desired shape with a round, vent or paddle brushFLAT IRON: Section hair appropriately for the flat iron portion. The 4 sections "touch up" partings are a good starting point. If you have a great deal more hair, section according to the density. When flat ironing hair take a 1/8 inch section starting at the nape and pass smoothly from the roots to the ends of the hair between 3 to 8 passes or until hair is smooth and fizz freePRO TIP: Don't color or highlight hair until 24-48 hours post treatment. Wait 24 hours before shampooing, conditioning and restyling

My straightener doesn't get hot enough but my curling wand does. If I use my wand will I have even better curls after the treatment?

I don’t think so. The purpose of flat ironing it is to seal that Keratin system on your hair strand. If your flat iron does not get that hot just do more passes with it.

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✨ Unlock your hair’s ultimate glow-up with zero frizz, zero fuss!

DAMAGE DEFENSE - Shields hair from heat, UV, and daily styling stressors
AGE DEFYING HAIR - Restores vitality and strength, reversing damage for youthful shine
PURE SAFE FORMULA - Free from formaldehyde, parabens, and harmful chemicals for peace of mind
FRIZZ FREE CONFIDENCE - Smooth, silky hair that turns heads for up to 3 months
SALON QUALITY AT HOME - Professional keratin treatment without the salon price or hassle

Peter Coppola Keratin Hair Treatment is a professional-grade, formaldehyde-free smoothing solution that reduces frizz and curls for up to 3 months. Enriched with keratin proteins and shea butter, it strengthens, repairs, and protects hair from heat, UV, and styling damage, delivering salon-quality straightening and shine in the comfort of your home.

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