Sebastian Dark Oil Smooth & Shine Mask 16.9 fl oz — Lightweight Nourishing Shine and Smoothness

Sebastian Dark Oil Smooth and Shine Mask is a lightweight, deeply nourishing hair mask that restores shine and smoothness using argan and jojoba oils.

Designed for stylists and at-home care alike, this 16.9 fl oz treatment blends nourishing oils with a fine, non-greasy texture to soften, detangle, and enhance shine without weighing hair down. The mask joins the Dark Oil range and complements regular cleansing and styling steps, offering an aromatic finish that stays noticeable without being heavy.

How does the mask restore shine without leaving hair oily?

The formula balances rich emollients like argan oil and jojoba esters with a lightweight delivery system so oil-loving nutrients absorb into the hair cuticle rather than sitting on the surface. As a result, hair reflects light more evenly and feels smooth, not greasy.

• Argan oil provides conditioning fatty acids for reflective shine.
• Jojoba-derived ingredients help balance moisture and manageability.
• Silky texture disperses easily for even coverage without buildup.
• Rinses out cleanly when used according to directions.

When and how should I use this mask in my routine?

Use the Dark Oil Smooth and Shine Mask as a weekly or biweekly intensive treatment after shampooing, or more often for very dry hair. Apply mid-lengths to ends, leave on for the recommended time, and rinse; it also layers well under leave-in products in styling routines.

• Apply to towel-dried, shampooed hair for best absorption.
• Work through mid-lengths and ends—avoid the scalp if you prefer a lighter root feel.
• Leave on according to label timing for deeper conditioning.
• Rinse thoroughly and follow with styling as usual.

Will this mask suit my hair type—fine, thick, color-treated?

Formulated to be surprisingly lightweight, it is appropriate for a wide range of hair types: fine hair benefits from shine without weight, thicker textures gain manageability, and color-treated hair sees improved softness and luster. Always test a small amount if you have very fine or oily roots to determine your preferred frequency.

• Fine hair: use sparingly on lengths and ends to avoid weighing roots.
• Thick or textured hair: apply liberally for smoothing and detangling.
• Color-treated hair: helps restore sheen and softness after chemical services.
• Scented finish: pleasant aromatic profile for salon-style results.

What results can I expect after one treatment?

After a single application you should notice improved smoothness, easier combing, and a visible increase in shine. The mask aims to improve hair feel immediately while supporting longer-term manageability with regular use.

• Smoother, easier-to-style hair after rinse.
• Enhanced light reflection and glossy appearance.
• Reduced tangles and improved comb-through performance.
• Subtle, salon-inspired fragrance that lingers lightly.

Who is this for: Sebastian Dark Oil Smooth and Shine Mask is suited to anyone seeking a salon-level conditioning treatment that combines nourishing argan and jojoba-derived oils with a lightweight finish. It works well for clients, stylists, and home users who want softer, shinier hair without excess weight—especially effective for mid-lengths to ends and for hair that needs added manageability and lustre.

Ingredients

Aqua/Water/Eau, Stearyl Alcohol, Behentrimonium Chloride, Cetyl Alcohol, Parfum/Fragrance, Panthenol, Isopropyl Alcohol, Benzyl Alcohol, Phenoxyethanol, PEG-2M, Methylparaben, Propylene Glycol, Quaternium-80, Propylparaben, Disodium EDTA, Hexyl Cinnamal, Coumarin, Citronellol, Silica, Citric Acid, Argania Spinosa Kernel Oil, Simmondsia Chinensis (Jojoba) Seed Oil, BHT