C.O. Bigelow – The Oldest Apothecary in America – Established 1838

The Gentlest Shampoo

The Gentlest Shampoo - Main image
$21 $42 In stock

Category: shampoo + conditioner

Gentle care for Funner hair. An ultra-gentle, low-lather shampoo that provides a conditioning cleanse while maintaining your hair’s natural oils for the ultimate hydrating wash. Formulated with strength-building ingredients to boost hair and scalp health with every wash. Clinically proven to maintain hair vibrancy and keep color intact. Take it easy.

Key Ingredients:
- Color-Shield Polymer protects color-treated hair and enhances tone
- Coconut Hydrator + Upcycled Jackfruit Polysaccharides provide gentle moisture and anti-frizz hydration
- Amino Acids + Vegan Keratin improve hair strength and repair damage
- Chia Seed + Green Tea Leaf Extract provide antioxidant protection and help defend against environmental pollutants

Clinically proven not to fade hair color or keep hair vibrancy intact

8.5 fl oz / 250 ml

Customer Reviews (5.0 / 5 · 5 reviews)

Julian H. ★★★★★

My hair usually feels stripped after any wash, but this one left it soft and shiny without that squeaky-clean dryness. I love that it maintains natural oils while still giving a proper conditioning cleanse, and my scalp hasn't felt this balanced in weeks.

Emma ★★★★★

The low-lather formula was a pleasant surprise—my scalp feels clean without that tight, stripped sensation afterward. It’s the first shampoo that’s made my naturally dry ends feel genuinely hydrated for a full day, not just until I towel-dry.

Ella ★★★★★

My hair color lasts way longer now that I'm not stripping it every wash, and three minutes later it still feels hydrated without that greasy buildup. This is the first shampoo that actually respects my natural oils instead of fighting them.