- Is ColorLast worth it for color-treated hair?
- Yes, if your main goal is slowing fade. The low-pH, paraben-free formula cleans gently and is rated 4.6 out of 5 by about 6,500 reviewers. Very dry hair may still need a separate mask.
- How does it compare with regular Biolage shampoo?
- ColorLast is aimed at color-treated hair and uses a low-pH formula to limit fade. Regular Biolage lines focus on hydration or volume instead. Pick ColorLast if you dye your hair.
- What size is the bottle?
- The listing is the 33.8 fl oz (1 liter) bottle, one per order. A smaller 13.5 fl oz size also exists, so check the capacity before buying.
- Is it sulfate-free?
- It is paraben-free, but the formula is not marketed as sulfate-free. If you avoid sulfates, check the full ingredient list on the bottle first.
- When is it cheapest?
- As of November 5, 2026, the best new price is $37.35 at Beauty Plus Salon across 4 stores. The liter size is usually the lowest cost per ounce, and salon-liter sales tend to beat small-bottle pricing.
- Where is the Matrix Biolage ColorLast Shampoo cheapest?
- At Beauty Plus Salon, for $37.35, 17% under what the other stores charge, as of our latest check.
- What do buyers say about the Matrix Biolage ColorLast Shampoo?
- Rated 4.6 out of 5 from 6,500 ratings.
- Where can I buy the Matrix Biolage ColorLast Shampoo?
- 13 stores we checked sell it, including Beauty Plus Salon, JCPenney, Ulta Beauty, Walmart, BeautyCareChoices.