can it be used on colored treated hair?

My hair is color treated and I love it!

Is this safe for color treated hair

Yes, my hair is both color-treated and highlighted and it is very gentle. No sulfates, parabens or other color stripping additives. My hair feels amazing!

How long does this shampoo lasts for short to medium length hair ?

It seems to last a long time for me as a guy. My hair is medium in length. One tube shampooing daily lasts at least 6 weeks to 2 months.

Is this product different than the peter thomas roth shampoo that is labeled nourshishing shampoo? if so, what's the difference?

I know what you're asking. I have one from 2014 or 2015 that is also available on AMAZON for $12.79. This one, for $14.75, is, I think, a newer version...not sure if it's better or different.

Mega Rich Nourishing Shampoo

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Description

💼 Elevate your hair game with clinical-grade nourishment that means business.

CLEANSE WITH CONFIDENCE - Alcohol-free formula gently purifies, leaving hair fresh and healthy-looking—perfect for your busy lifestyle.
UNISEX UNIVERSAL APPEAL - Designed for all hair colors and types, because great hair is for everyone who means business.
BREAKAGE NOT ON YOUR WATCH - Fortify every strand with Biotin B-7 Complex and Vitamin E for resilient, damage-resistant hair.
NOURISHMENT THAT GOES DEEPER - Pro Vitamin B5 penetrates hair fibers to condition without weighing down your style.
SHINE BRIGHT LIKE YOUR CAREER - Boost natural body and luminous shine that turns heads in every boardroom and brunch.

Peter Thomas Roth Mega-Rich™ Nourishing Shampoo is a vitamin-infused, alcohol-free formula featuring Biotin B-7 Complex, Vitamin E, and Pro Vitamin B5. It strengthens hair to prevent breakage, adds body and shine, and deeply nourishes without weight, making it ideal for adults seeking clean, healthy, and stylish hair.

Specifications

ASIN	B005WKFHYC
ASIN	B005WKFHYC
Active Ingredients	lactic_acid, vitamin_c, vitamin_e
Age Range Description	Adult
Best Sellers Rank	#49,579 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #1,354 in Hair Shampoo
Brand Name	Peter Thomas Roth
Customer Reviews	4.6 4.6 out of 5 stars (1,551)
Department	Unisex-Adult
Global Trade Identification Number	00670367000359
Hair Type	Normal
Included Components	Peter Thomas Roth \| Mega-Rich Nourishing Shampoo \| Biotin B-7 Complex Shampoo for Clean, Shiny, Healthier-Looking Hair, 8 Fl Oz (Pack of 1)
Item Dimensions	3 x 2 x 8 inches
Item Form	Liquid
Item Type Name	Peter Thomas Roth \| Mega-Rich Nourishing Shampoo \| Biotin B-7 Complex Shampoo for Clean, Shiny, Healthier-Looking Hair, 8 Fl Oz (Pack of 1)
Item Weight	4.8 ounces
Item model number	39-01-001
Language	English
Liquid Volume	8.5 fluid ounces
Manufacturer	Peter Thomas Roth
Manufacturer	Peter Thomas Roth
Manufacturer Part Number	39-01-001
Material Type Free	Alcohol Free
Model Number	39-01-001
Number of Items	1
Product Benefits	Cleans and nourishes hair, helping to improve the look of body and shine.
Product Dimensions	3 x 2 x 8 inches; 4.8 ounces
Recommended Uses For Product	Shine
Scent Name	Unscented
Suitable Hair Color	All Hair Colors
UPC	670367000359 885462451009 670367016381 670367638019
UPC	670367000359 885462451009 670367016381 670367638019
Unit Count	8 Fluid Ounces
Warranty Description	Warranty

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