Sebastian Dark Oil Lightweight Shampoo 33.8 fl oz — Jojoba & Argan for Weightless Shine and Manageability

Sebastian Dark Oil Lightweight Shampoo is a jojoba- and argan-infused cleansing formula that adds silky shine and weightless body to all hair types.

This shampoo is designed to refresh hair without heaviness, combining nourishing oils with a breathable lather and a lingering, sophisticated fragrance. Use it as the first step in the Dark Oil routine—massage into wet hair, rinse, and follow with Dark Oil Conditioner or Mask for smoother, more manageable strands. The large 33.8 fl oz bottle is suited for at-home use or salon backbar, offering regular care with fewer refills.

How does this shampoo make hair feel lightweight yet shiny?

The formula balances conditioning oils with a gentle cleansing base so hair gets slip and luminous surface shine without weighing down roots. Lightweight emollients coat the hair shaft to reflect light while being rinsable, so styles keep volume and movement.

• Infused with jojoba and argan oils for surface smoothness
• Non-heavy emollients that rinse clean
• Gentle lathering surfactants that lift dirt and residue
• Leaves strands soft to the touch and reflective

Will it work for my hair type—curly, fine, or color-treated?

Dark Oil Lightweight Shampoo is formulated for universal use across different textures and treatments. It focuses on improving manageability and shine without compromising volume, making it suitable for fine hair, enhanced enough for textured curls, and gentle enough for color-treated hair when used as part of a complete care routine.

• Safe for color-treated hair when rinsed; follow with appropriate conditioner
• Adds slip to help detangle curly and wavy textures
• Lightweight profile prevents flattening of fine hair
• Regular use helps maintain polished-looking strands

How should I use Dark Oil Lightweight Shampoo for best results?

Apply to wet hair and massage to create a rich but airy lather, then rinse thoroughly. Repeat if hair is particularly dirty or product-heavy; finish with Dark Oil Conditioner or Mask to lock in smoothness and fragrance.

• Massage into scalp and lengths for even cleansing
• Rinse fully to avoid residue buildup
• Pair with Dark Oil Conditioner or Mask for optimal smoothness
• Use regularly as part of a weekly hair-care routine

What sensory experience does this shampoo provide?

Beyond cleansing, the shampoo leaves a memorable, refined scent and a silky tactile finish. Fragrance notes are crafted to stay subtly on hair, giving freshly washed hair an elevated, salon-style aroma without overpowering.

• Lingers with a sophisticated, not overpowering fragrance
• Creates a soft, polished surface feel for styling
• Large bottle offers consistent scent profile over many washes
• Suitable for at-home and professional use

Who is this for: Sebastian Dark Oil Lightweight Shampoo is ideal for anyone seeking a non-greasy shine booster—people with fine to medium hair wanting volume retention, those with textured hair who need added slip for detangling, and color-treated clients looking for a gentle, fragrant cleanse. It also fits salon backbars and households wanting a larger supply of a professional-grade shampoo that pairs seamlessly with the rest of the Dark Oil collection.

Ingredients

Aqua/Water/Eau, Sodium Laureth Sulfate, Sodium Lauryl Sulfate, Cocamidopropyl Betaine, Parfum/Fragrance, Panthenol, Sodium Chloride, Cocamide MEA, Sodium Benzoate, Citric Acid, Salicylic Acid, Tetramethyl Acetyloctahydronaphthalenes, Disodium EDTA, Hexyl Cinnamal, Glycerin, Hexamethylindanopyran, Acetyl Cedrene, Linalyl Acetate, Coumarin, Citronellol, Linalool, Argania Spinosa Kernel Oil, Simmondsia Chinensis (Jojoba) Seed Oil, Sodium Citrate, Sodium Xylenesulfonate.