Redken Acidic Grow Full System Quad Bundle
Redken Acidic Grow Full System Quad Bundle brings together all four steps of the Acidic Grow routine, from cleansing through to styling, for fuller, denser feeling hair.
The pH balanced shampoo and conditioner cleanse and condition without stripping the scalp barrier or weighing hair down, while the leave-in scalp serum works between washes to keep the scalp balanced and comfortable. The Instant Densifying Spray finishes the routine with root lift and heat protection, making this the most complete version of the system.
What is included in Redken Acidic Grow Full System Quad Bundle?
| Product | Volume |
|---|---|
| Redken Acidic Grow Full System Densifying Shampoo | 300ml |
| Redken Acidic Grow Full System Densifying Conditioner | 300ml |
| Redken Acidic Grow Full System Leave-In Scalp Serum | 100ml |
| Redken Acidic Grow Instant Densifying Spray | 100ml |
FAQ
How does the Acidic Grow system help with hair density?
The pH balanced shampoo and conditioner cleanse without stripping the scalp, while the leave-in serum maintains scalp health between washes. The Instant Densifying Spray provides root lift and helps create a fuller appearance.
Can the Acidic Grow system be used on colored hair?
Yes, the pH balanced products are designed to preserve hair integrity and are suitable for colored hair, providing conditioning without compromising color.
Is the spray suitable for use with heat styling tools?
Yes, the Instant Densifying Spray includes heat protection, making it safe to use before blow-drying or flat ironing.

Max Bell –
I’ve used the Acidic Grow system for three months now and notice a significant improvement in hair fullness. My hair feels lighter and more manageable. The spray gives a great root lift and works well with my heat tools. The scalp serum keeps my skin comfortable between washes.
Jason Fraser –
The shampoo and conditioner are gentle but effective. My hair doesn’t feel weighed down after washing. I use the spray every time I style and it gives a noticeable lift at the roots.
Jane Mackay –
I was skeptical about a full system, but this bundle delivers on all fronts. The leave-in serum helps with scalp balance and the spray makes my hair look thicker. I’ve reduced the frequency of washing too, which has helped maintain volume.
Samantha Burgess –
The product quality is consistent with Redken’s reputation. I use the shampoo and conditioner every two days and the hair feels clean and healthy. The spray is a game-changer for styling.