Jsoop Silk

JSOOP's Silk Keratin range is a professional-grade hair care collection built around two complementary proteins: hydrolysed silk (for smoothness and shine) and keratin (for structural strength and damage repair). The range spans shampoos from 200g travel size to 1000ml, a foam treatment, a 1000ml deep treatment, a water pack for rapid moisture delivery, a protein hair essence, and a Pitch Edition gift set. Designed for damaged, chemically processed, or frizz-prone hair. Currently 18 products in stock.

  • Silk & keratin proteins
  • Professional treatment range
  • 200g to 1000ml sizes
  • 18 products in stock

By Skinsli editorial Updated

Buying guide

JSOOP Silk Keratin: Shampoo, Treatment, Water Pack & Protein Essence Guide

JSOOP is a Korean hair care brand with a strong salon reputation. The Silk Keratin line targets hair that has been damaged by chemical processing (bleach, dye, perm, relaxer) or by repeated heat styling - conditions that deplete the hair's natural keratin and leave it porous, dull, and prone to breakage. The range uses hydrolysed silk proteins alongside keratin to address both the structural loss and the surface smoothness issue simultaneously. Eighteen products in sizes from 200g to 1000ml make the range practical for trial purchases and long-term professional-level use alike.

Silk and Keratin Proteins: Why Both Matter for Damaged Hair

Understanding what these two ingredients do explains why the JSOOP range uses both:

  • Keratin: The primary structural protein of the hair shaft. Damaged hair has lost keratin from its cortex (inner structure) and cuticle (outer layer), which is why it becomes porous, rough, and breakage-prone. Hydrolysed keratin in hair care fills gaps in the cuticle layer, temporarily restoring its integrity and reducing porosity.
  • Silk proteins (sericin and fibroin): Derived from silk cocoons, silk proteins are small enough to penetrate between cuticle cells. They provide a lubricating film that reduces friction between strands (a major cause of mechanical breakage) and adds the characteristic smoothness and shine associated with healthy hair.

Combined, keratin addresses the structural deficit and silk addresses the surface performance. This is why the Silk Keratin naming reflects an actual formulation rationale rather than just marketing.

JSOOP Silk Keratin Shampoos: Three Sizes

The shampoo is available in three sizes:

  • Silk Keratin Shampoo 200g - the smallest size, ideal for first-time buyers wanting to try the formula before committing to a larger bottle, or for travel.
  • Silk Keratin Shampoo 2X 500ml - the standard daily-use size. '2X' in JSOOP's naming indicates a double-concentration or double-action formula, delivering more active keratin and silk per use than the base formula.
  • Silk Keratin Shampoo 2X 1000ml - the large professional format, also 2X concentration. Economy size for regular users, households with multiple users, or anyone with long/thick hair that uses more shampoo per wash.

At 2X concentration, the JSOOP shampoo is designed to deliver meaningful protein benefit at the cleanse step - not just scent or basic cleaning. Use the full recommended amount (typically a palm-sized amount for mid-length hair) to get the protein contact time the formula is designed for.

Silk Keratin Foam Treatment 200ml: Weekly Conditioning

The Foam Treatment 200ml is the accessible, manageable treatment option in the range. At 200ml it is the right size to trial as a weekly treatment before moving to the 1000ml size. The foam format makes application clean and controlled - it distributes more evenly than a thick cream treatment and rinses without residue.

Apply after shampooing on treatment days, distribute from roots through ends, leave for 3-5 minutes, rinse thoroughly. The silk and keratin proteins in the treatment penetrate the hair shaft during the contact time, addressing the structural gaps that cause damage behaviour.

The foam format is particularly practical for fine hair that can be weighed down by heavy cream treatments - the lighter texture delivers comparable active benefit without the density.

Silk Keratin Treatment Pitch Edition 1000ml: Professional-Scale Conditioning

The 1000ml Silk Keratin Treatment is the most substantial product in the range. 'Pitch Edition' is JSOOP's premium tier branding - it indicates a more luxurious formula within the Silk Keratin system, typically with a higher concentration of actives or additional performance ingredients.

At 1000ml it is designed for:

  • Regular weekly use for households where multiple people use the same treatment
  • Stylists or home-salon users who apply treatments at each wash rather than occasionally
  • Long or very thick hair that requires 30-50ml per treatment session rather than 15-20ml

At weekly use for one person with mid-length hair (20ml per application), 1000ml lasts approximately 50 weeks - close to a full year's supply. This makes the Pitch Edition 1000ml one of the most economical per-use treatments in the range.

Silk Keratin Water Pack 2X: Fast-Absorbing Moisture Treatment

The Water Pack 2X 200ml (and the 200g version) is a lighter, faster-absorbing treatment format compared to the cream or foam treatments. 'Water pack' in Korean hair care describes a water-based conditioning treatment that absorbs faster than oil or cream bases - particularly useful for:

  • Hair that feels dry quickly after regular conditioning
  • Quick treatment sessions when you do not have time for a 5+ minute treatment leave-in
  • Humid climates where a heavy cream treatment makes hair feel heavy

The 2X designation indicates a double-concentration silk and keratin load in the water base. Apply after shampooing, leave 2-3 minutes, rinse. The lighter texture absorbs faster but the active delivery is concentrated to compensate.

Silk Keratin Protein Hair Essence 150ml: Daily Leave-In Treatment

The Silk Keratin Protein Hair Essence 150ml is the daily leave-in product in the range - applied to damp hair after washing and not rinsed out. This is distinct from the treatments, which are rinsed: the essence continues delivering silk and keratin protein to the hair throughout the day.

At 150ml it is a standard essence size for daily use - approximately 3 months at 1.5ml per application. Apply to towel-dried hair focusing on mid-lengths and ends, then proceed with styling as normal.

The essence is the most impactful daily protein maintenance product in the range: where shampoo and treatment provide protein at the wash step, the essence provides it continuously between washes. For hair that was significantly damaged and is in active recovery, daily essence use alongside weekly treatment is the most effective combination.

Silk Keratin Pitch Edition Gift Set

The Pitch Edition Gift Set bundles products from the premium tier of the Silk Keratin range in a gift-appropriate package. The specific contents vary - check the current product listing for exactly what is included. Pitch Edition gift sets from JSOOP typically feature the premium-formulation shampoo and treatment alongside a travel or trial-size hair essence.

Gift sets from professional hair care brands like JSOOP are a practical introduction to the range for someone who has not tried it before. The curated combination ensures the recipient has a complete mini-routine rather than a single product that needs companions.

Building a JSOOP Silk Keratin Routine for Damaged Hair

A practical recovery routine for chemically processed or heat-damaged hair:

Every wash day:

  1. Silk Keratin Shampoo 2X (500ml or 1000ml) - thorough lather and rinse
  2. Silk Keratin Water Pack 2X - leave 2-3 minutes for a quick conditioning step, rinse
  3. Silk Keratin Protein Hair Essence - applied to damp hair, no rinse
  4. Style as normal

Weekly deep treatment (replace step 2 above):

  1. After shampooing, apply Foam Treatment 200ml or Pitch Edition Treatment (generous amount)
  2. Leave 5-10 minutes
  3. Rinse thoroughly
  4. Proceed with Protein Essence as above

This routine covers cleansing protein delivery (shampoo), intensive weekly structural repair (treatment), fast daily conditioning (water pack), and ongoing protein maintenance (essence). The combination addresses all vectors of hair damage recovery.

FAQ

Frequently asked questions

  • 2X indicates a double-concentration or double-action formula - twice the silk and keratin protein content compared to the base formula. This means each use delivers more active protein benefit than a standard concentration product. Use the same amount as a regular shampoo; the 2X is about concentration, not doubling the quantity you apply.

  • No. Salon keratin straightening treatments (Brazilian blowout, keratin smoothing) use formaldehyde-releasing chemicals under high heat to permanently restructure hair bonds. JSOOP Silk Keratin products are regular conditioning hair care that supplement hair's protein content through topical application and washing. They improve hair quality over time through regular use, but do not permanently straighten or structurally alter the hair like in-salon treatments.

  • There are 18 JSOOP Silk Keratin products currently in stock, including shampoos in 200g, 500ml, and 1000ml sizes, the Foam Treatment 200ml, the Pitch Edition Treatment 1000ml, Water Pack in 200ml and 200g, Protein Hair Essence 150ml, and the Pitch Edition Gift Set.

  • Yes - the foam format delivers the same silk and keratin proteins as a cream treatment. The difference is texture and user experience: foam is lighter, easier to distribute evenly, and rinses more quickly. For fine hair that gets weighed down by cream treatments, the foam can actually be the better choice. For very dry or coarse hair that benefits from heavier conditioning, the Pitch Edition cream treatment provides more density.

  • Use the Water Pack when you want faster conditioning - it absorbs in 2-3 minutes versus 5-10 for the treatment. It is also better for days when time is short or when the weather is hot and humid and a heavy cream treatment would feel too much. For a weekly deep conditioning session, the Foam Treatment or Pitch Edition treatment is the better choice. The Water Pack is the everyday quick step; the treatments are the weekly intensive step.

  • Protein overload - where hair becomes stiff, brittle, and resistant to moisture - can happen with very frequent heavy protein applications on already-healthy hair. The JSOOP Silk Keratin routine is designed for damaged hair that genuinely needs protein replenishment. If you have healthy, fine, or low-porosity hair, using a full protein routine every wash may be too much - alternate protein washes with moisture-only washes, or limit the treatment to biweekly use.

  • Pitch Edition is JSOOP's premium tier, indicating a richer formula with higher active concentrations or additional performance ingredients beyond the base Silk Keratin formula. The 1000ml Pitch Edition treatment is the most intensive conditioning product in the range - designed for professional-level or very frequent use. The Pitch Edition Gift Set packages this premium tier for gifting.

  • Yes - the essence is specifically designed for daily leave-in use. Unlike heavy treatments, the essence formula is calibrated for continuous application without causing protein overload in most hair types. For fine or healthy hair, monitor whether hair starts to feel stiff over several weeks; if it does, reduce to every-other-day application. For damaged or highly porous hair, daily use is generally appropriate and beneficial.

  • Check the current product listing for the specific contents - gift set inclusions can vary between batches. JSOOP Pitch Edition gift sets typically include a combination of the premium shampoo and treatment alongside travel or sample-size companion products. The gift set is designed as a complete introduction to the Pitch Edition tier, suitable as a gift or for those who want to trial the premium formula before committing to large-format purchases.

  • At weekly use for one person, applying 20ml per treatment session, the 1000ml bottle lasts approximately 50 weeks. For twice-weekly use or for long/thick hair requiring more product, expect 25-35 weeks. For a household with two weekly users, approximately 25 weeks. The 1000ml is the most economical per-use option once you know the product works for your hair.