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Hair Care

Discover member favorites and shop every Monthlees product in one place.

White bottle of 'monthlees' conditioner with a plant design on a light gray background

Keratin Gentle Volume Conditioner

Ecocert COSMOS Natural volumizing conditioner — hydrolyzed keratin, caffeine, and rosemary fortify strands while boosting body without heaviness.

Guest $31.95
Member
Shampoo bottle with 'monthlees' branding and botanical design on a light gray background

Keratin Gentle Volume Shampoo

Ecocert COSMOS Natural volumizing shampoo — hydrolyzed keratin, caffeine, and rosemary cleanse and reactivate the scalp for extra body without weighing hair down.

Guest $31.95
Member
Betaine Strengthen & Repair Shampoo

Betaine Strengthen & Repair Shampoo

Ecocert COSMOS Natural shampoo — betaine and hydrolyzed wheat protein strengthen and repair while cleansing sensitive scalps.

Guest $32.95
Member
White bottle of 'monthlees' Pro Vitamin B5 Moisturizing Conditioner on a light gray background

Pro Vitamin B5 Moisturizing Conditioner

Pro-Vitamin B5 conditioner — panthenol, betaine, and hydrolyzed wheat protein nourish dry ends, ease styling, and help reduce the appearance of split ends.

Guest $38.95
Member
Keratin Leave-In Hair Mist

Keratin Leave-In Hair Mist

COSMOS Natural leave-in keratin mist — smooths frizz, adds shine, and softens hair without buildup or heaviness.

Guest $37.00
Member