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

Sebastian Professional Dark Oil Lightweight Shampoo is a daily-use cleansing formula infused with jojoba and argan oils that delivers weightless shine and manageable softness for all hair types.

If you want a shampoo that cleans without flattening and adds a satin finish, this 33.8 fl oz bottle from Sebastian’s Dark Oil range is designed for regular use. The formula balances gentle surfactants with nourishing plant oils so hair feels smoothed and fragrant after rinsing. It’s intended to be paired with Dark Oil Conditioner or Mask for more conditioning benefits, but it also performs well as a standalone cleanser when you want controlled shine and movement.

How does this shampoo add shine without weighing hair down?

The lightweight blend uses jojoba and argan oils in small, easily absorbed amounts to smooth the hair surface and reflect light without leaving residue. Mild cleansing agents remove dirt and product buildup so the oils can coat strands evenly, avoiding heavy accumulation at the roots. You’ll get a polished appearance with natural movement rather than a greasy finish.

• Jojoba and argan oils applied in a light concentration for surface smoothing
• Gentle surfactants cleanse without stripping natural oils
• Designed to rinse clean, reducing post-wash buildup

Will the shampoo work for my hair type and texture?

This product is formulated for all hair types—from fine to coarse—because of its lightweight conditioning profile. Fine hair benefits from the non-greasy shine, while thicker or drier hair can use the shampoo within a routine that includes the matching conditioner or mask for added moisture. It’s flexible for daily or regular use depending on personal styling needs.

• Suitable for fine, medium, and coarse textures
• Use alone for light conditioning or with Dark Oil Conditioner/Mask for deeper hydration
• Appropriate for color-treated hair when you need controlled shine

How should I use the shampoo for best results?

Apply to wet hair, work into a lather, and rinse thoroughly; repeat if your hair has heavy product or oils. For enhanced softness and manageability follow with Sebastian Dark Oil Conditioner or Mask and leave the conditioner in for the recommended time. Adjust frequency based on scalp oiliness and styling routine.

• Massage into wet hair, lather, rinse; repeat if necessary
• Follow with Dark Oil Conditioner or Mask for more slip and hydration
• Suitable for daily or alternate-day washes depending on scalp needs

What sensory and practical benefits can I expect?

The shampoo leaves a refined fragrance and adds a satin-like sheen to strands while preserving natural movement. Its large 33.8 fl oz packaging makes it a practical choice for households or salon backbar use, offering value and fewer bottle changes. The formula aims for an effortless, polished finish rather than heavy conditioning or treatment-level repair.

• Refined fragrance that lingers without overpowering
• 33.8 fl oz size for convenience and value
• Creates a salon-ready polished look with natural movement

Who is this for: Sebastian Dark Oil Lightweight Shampoo is for shoppers seeking a daily cleansing product that adds shine and softness without heaviness—ideal for those with fine to medium hair, people who prefer a light finishing oil effect, and anyone who wants a fragrant, manageable result. Use it solo for mild conditioning or pair it with the Dark Oil Conditioner or Mask when hair needs extra moisture or slip.

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.