Kerasys Oil
KERASYS Oil covers five distinct botanical oil lines-Argan, Coconut, Tea Tree, Black Bean, and a Natural Recipe blend-each in generous 1000 ml formats for shampoos, conditioners, and treatments, plus a 100 ml Argan Oil Serum. With 157+ SKUs, the range lets you match an oil's specific lipid and active profile to your hair's actual needs, from shine-building and frizz control to scalp-balancing and scalp-nourishing.
By Skinsli editorial Updated
Buying guide
KERASYS Oil Haircare: Choosing the Right Oil Line for Your Hair
KERASYS's oil-infused haircare range spans five distinct botanical oils-each with a different molecular size, lipid profile, and functional strength. This matters because using the wrong oil type for your hair's porosity and texture can leave it greasy or underperforming. This guide explains each oil family, what it does best, and how to choose across them.
Why Oil Type Matters in Hair Products
Not all hair oils function the same way. Their effectiveness depends on molecular weight: lighter oils (lower molecular weight) can partially penetrate the cuticle layer and deposit actives closer to the cortex; heavier oils coat the surface and work primarily as emollients and frizz-blockers. The choice between oil types also depends on your hair's porosity-how easily it absorbs products:
- High porosity (bleached, heat-damaged, coarse): absorbs products quickly; benefits from heavier, penetrating oils like argan or coconut.
- Low porosity (smooth, fine, product-reluctant): benefits from lighter oils that coat rather than penetrate, such as tea tree, to avoid buildup.
- Normal porosity: most oils work well; match to your primary concern (shine, scalp balance, strength).
Argan Oil Line: Shine, Smoothness, and Frizz Control
Argan oil is rich in oleic and linoleic acids and vitamin E. Its molecular weight allows partial cuticle penetration (unlike purely surface-coating silicones), and its high vitamin E content adds antioxidant protection against UV and heat stress. KERASYS offers:
- Argan Oil Shampoo 1000 ml: moisturizing daily shampoo with argan oil as the primary emollient, suitable for dry-to-normal hair types. Does not over-strip natural scalp oils.
- Argan Oil Conditioner 1000 ml: standard rinse-out conditioner providing shine and detangling. Pair with the Argan Oil Shampoo for a coordinated wash routine.
- Argan Oil Hair Treatment 1000 ml: heavier conditioning treatment for 3-5 minute contact time after shampooing. More emollient-dense than the conditioner-suited for coarse or damaged strands.
- Argan Oil Hair Serum 100 ml: leave-in serum for damp-to-dry hair. Used in drops for frizz control, flyaway smoothing, and shine. Also functions as a light thermal protectant.
- Natural Recipe Argan Oil Treatment 1000 ml: a less-processed formulation variant of the argan treatment, focusing on the raw oil profile with fewer conditioning adjuvants.
Coconut Oil Line: Protein-Loss Prevention and Deep Moisture
Coconut oil is unique among hair oils because its lauric acid content allows it to penetrate the hair cortex rather than just coat the surface. Studies have shown coconut oil can reduce protein loss during washing-making it particularly effective for hair that is fine, easily broken, or undergoes frequent washing that strips structural protein. KERASYS offers:
- Coconut Oil Shampoo 1000 ml: coconut oil-infused cleansing for moisture-retaining washes. The coconut oil helps counteract the protein loss that can occur during the surfactant-contact phase of shampooing.
- Coconut Oil Conditioner 1000 ml: rinse-out conditioner providing deep softness and moisture. Best for dry-to-very-dry hair types, especially in low-humidity climates where hair loses moisture quickly.
Note: coconut oil can cause buildup for low-porosity hair types that are naturally smooth and resistant to absorption. Fine, straight hair may feel heavier after regular coconut oil product use-if so, switch to the argan or tea tree line.
Tea Tree Oil Line: Scalp Balance and Oily Hair
Tea tree oil is best known for its antimicrobial and antifungal properties. In haircare, these properties translate to scalp-balancing-reducing the microorganism overgrowth that contributes to dandruff, mild seborrheic dermatitis, and scalp itch. Tea tree oil products also help regulate excess sebum production, making them suitable for oily scalps that tend to re-oil quickly after washing.
- Tea Tree Oil Conditioner 1000 ml: lighter conditioning formula that adds moisture to the lengths without adding the heaviness of argan or coconut conditioners. Best for oily-scalp hair types where conventional conditioners feel too rich.
Apply only to mid-lengths and ends-not to the scalp. The scalp benefit comes from the shampoo step, not from leave-on conditioner application at the scalp.
Black Bean Oil Line: Scalp Nourishment and Anti-Hair-Loss Support
Black bean extract and black bean oil are used in Korean haircare for their phytoestrogen content and scalp-stimulating properties. Phytoestrogens have a mild hormone-analog effect at the scalp level that can support follicle health. Black bean oil also has antioxidant activity that protects the scalp from oxidative stress-one factor in premature hair thinning.
- Black Bean Oil Shampoo 1000 ml: targeted for thinning, weakening, or shedding-prone hair. The shampoo delivers black bean actives to the scalp during cleansing. Best used consistently (daily or every other day) for 8-12 weeks to see a meaningful reduction in shedding.
Pair with scalp massage during application-mechanical stimulation of the scalp during shampooing increases blood flow to the follicles, which compounds the effect of active ingredients delivered at the same time.
High Adhesion Oil Dyeing Product
The KERASYS High Adhesion Oil Dyeing product is an oil-infused hair color preparation designed to improve dye molecule adhesion during the coloring process. Oil-based color carriers improve the smoothness of application and help prevent the scalp irritation associated with traditional alkaline color formulas by providing a partial barrier between the dye chemicals and the scalp. This product is used by those coloring their hair rather than as a standalone haircare item.
Matching Oil Type to Hair Concern
A quick decision guide:
- Frizzy, coarse, or thick hair: Argan Oil line-penetrates and smooths without excessive weight.
- Fine or easily damaged hair that breaks during washing: Coconut Oil-protein-loss prevention from the wash step.
- Oily scalp, dandruff, or scalp itch: Tea Tree Oil-antimicrobial scalp-balancing.
- Thinning or shedding hair: Black Bean Oil-scalp-stimulating and antioxidant support at the follicle level.
- Color-treated hair needing protection: Argan Oil or Natural Recipe Argan-cuticle sealing and antioxidant protection.
Using KERASYS Oil Products in a Wash Routine
Each oil line follows the same routine structure-shampoo focused on the scalp, conditioner or treatment focused on the mid-shaft to ends:
- Apply oil shampoo to wet scalp. Work in with fingertip massage for 60 seconds. Extend lather to lengths without vigorous rubbing.
- Rinse thoroughly.
- Apply oil conditioner or treatment from mid-shaft to ends. Leave 2-3 minutes (conditioner) or 3-5 minutes (treatment). Do not apply to scalp.
- Rinse with cool water to close the cuticle.
- For dry styling, apply 2-3 drops of Argan Oil Serum to towel-dried mid-lengths and ends. Air dry or blow dry.
Choose one oil family for both shampoo and conditioner to keep the ingredient approach consistent within each wash session.
FAQ
Frequently asked questions
FAQ
Frequently asked questions
How do I choose between KERASYS Argan, Coconut, and Tea Tree oil lines?
Match to your primary concern: Argan Oil for frizzy, coarse, or dry hair needing shine and smoothness. Coconut Oil for fine or fragile hair that breaks easily during washing-coconut oil's penetration helps prevent protein loss at the wash step. Tea Tree for oily scalps or mild dandruff-its antimicrobial properties balance the scalp rather than adding lipid. If thinning is your concern, Black Bean Oil is the most targeted option.
I've heard coconut oil can cause buildup. Should I be concerned with KERASYS Coconut Oil products?
Buildup is more likely for low-porosity hair types-fine, smooth hair that resists product absorption. Coconut oil can accumulate on the surface of low-porosity hair and make it feel heavy or limp. If your hair is fine, straight, and naturally smooth, the Argan Oil line is a safer choice. If your hair is dry, coarse, or has high porosity from damage, coconut oil products work well and rinse clean with warm-water rinsing.
Will the KERASYS Tea Tree Oil Conditioner help with dandruff?
Tea tree oil's antifungal and antimicrobial properties are most effective at the scalp level, which is why a Tea Tree shampoo (rather than conditioner) is the primary tool for dandruff. The KERASYS Tea Tree Oil Conditioner delivers these actives to the mid-shaft and ends during the conditioning step, which benefits the hair strands. For targeted scalp-level dandruff treatment, use a scalp-specific shampoo (the KERASYS Scalp Clinic range is well-suited) alongside the Tea Tree conditioner.
How long does it take for the KERASYS Black Bean Oil Shampoo to reduce shedding?
Hair growth cycles run 4-6 weeks, so any scalp-level treatment takes at minimum one full cycle to show measurable change. Most users notice reduced shedding after 8-12 weeks of consistent use, used with a 60-second scalp massage at each wash. Combine with scalp stimulation (fingertip massage during and after washing) for better results. If shedding is severe or sudden rather than gradual, see a dermatologist-that may indicate a cause that requires more than a topical approach.
Can I use the KERASYS Argan Oil Hair Serum on dry hair, or only on wet?
Both. On damp hair before blow-drying: 2-3 drops for thermal protection and frizz prevention as hair dries. On dry, styled hair: 1-2 drops rubbed in the palms and lightly pressed over the hair surface smooths flyaways and adds shine. Use less on dry hair than on damp hair-serums concentrate on the surface of dry hair and are easier to over-apply.
Should I use the KERASYS Argan Oil Conditioner or the Argan Oil Hair Treatment?
The Conditioner is a quick rinse-out formula (30 seconds-2 minutes) for everyday use. The Treatment is a heavier formula requiring 3-5 minutes of contact time and provides more intensive conditioning. For normal-to-dry hair in good condition, the Conditioner is sufficient. For coarse, damaged, or very dry hair, the Treatment provides more benefit. You can alternate: use the Conditioner on quick wash days and the Treatment when you have time for a longer shower or a dedicated hair care session.
What is the difference between the KERASYS Natural Recipe Argan Oil Treatment and the standard Argan Oil Treatment?
The Natural Recipe version is formulated with fewer synthetic conditioning adjuvants and a higher proportion of raw argan oil, giving it a more natural ingredient profile. The standard Argan Oil Treatment uses a more conventional conditioning base with argan oil as a featured ingredient. Both provide similar surface smoothing and moisturization, but the Natural Recipe variant may be preferred by users who are sensitive to synthetic fragrance or conditioning polymers.
Which KERASYS oil product is best for color-treated hair?
The Argan Oil line is the strongest choice for color-treated hair. Argan oil's vitamin E content provides antioxidant protection against UV fading, and the cuticle-smoothing effect of argan oil helps keep the cuticle closed-which slows color molecule loss between washes. The Argan Oil Serum applied after styling is especially useful for daily color protection. Avoid the Black Bean Oil Shampoo on freshly colored hair as it may contain clarifying agents that accelerate color fade.
Why do so many KERASYS oil products come in 1000 ml bottles?
KERASYS targets both salon use and household use with its large formats. At the household level, 1000 ml reflects Korean beauty culture's preference for buying in bulk once you have confirmed a formula works-the per-wash cost at 1000 ml is significantly lower than at 300-500 ml. A 1000 ml shampoo used daily typically lasts one person 3-4 months. These large formats are especially practical for households where multiple family members use the same product.
Are there shipping restrictions for KERASYS oil haircare?
KERASYS oil-infused shampoos, conditioners, and treatments are classified as liquid personal care products-not flammable oils-and ship without the restrictions that apply to pure cosmetic oils. All products are packaged in sealed bottles with leak-resistant closures. Standard delivery to US addresses is 5-10 business days. Large 1000 ml orders may carry additional weight-based handling fees reflected at checkout.