ISSHI Launches Damage Care Kéralis noir (Kerlis Noir). Releases "Acid-Heat Hair Milk" to be Applied Before Blow-Drying and Ironing. For Colored and Bleached Hair, "Acid-Heat × Repair & Shape Correction" Leads to Hair That is Smooth to the Tips

Japan Gateway Co., Ltd. (Headquarters: Chuo-ku, Tokyo/President: Hideyuki Ito), which operates the hair care brand "ISSHI (Isshi)" for concerns such as frizz and curliness, has launched a new line for damaged hair from coloring, bleaching, perming, and aging, "ISSHI Kéralis noir (Isshi Kerlis Noir)."

Following the high evaluation (Shampoo & Treatment "Usage Feeling 1st & Overall Rating A" / LDK the Beauty July 2026 issue) of the same series' shampoo and treatment, this time, a "acid-heat hair milk" for damaged hair to be applied before using an iron or blow dryer, "Isshi Kerlis Noir Heat-Seal Hair Milk Smooth & Moist," has been added to the lineup.

The "acid-heat care*¹" concept symbolizing ISSHI has been further specialized for damaged hair and developed as a no-rinse out-of-bath product. Since it is not rinsed off, hair repair ingredients*² can deeply penetrate the damaged areas, and by utilizing the heat from daily use of blow dryers and irons, it leads to hair that is even easier to handle. The dryness and frizz caused by coloring and bleaching are straightened into straight hair*³ using the power of acid and heat.

Starting from July 9, 2026 (Thursday), it will be released first at variety stores such as Loft and Hands, and EC sites. It will then be released sequentially from Tsuruha and Sugi Drugstores and other nationwide drugstores from August.

Release Schedule

Starting from July 9, 2026 (Thursday), it will be released first at various variety stores such as Loft and Hands, J.G.PLAZA Rakuten Ichiba store, Amazon, and other EC sites. From August, it will be released sequentially at Tsuruha, Sugi Drugstores, and other nationwide drugstores.

ー Isshi Kerlis Noir Heat-Seal Hair Milk Smooth & Moist ー

An acid-heat hair milk to be applied before blow-drying. Even high-toned damaged hair is smoothed to the tips without being hardened, leading to straight hair*³.

＜No-rinse type＞

Product Name:

Isshi Kerlis Noir Heat-Seal Hair Milk Smooth & Moist

Content: 100g

Price: 1,900 yen (tax-excluded) / 2,090 yen (tax-included)

Product Features: Corrects frizz caused by damage with "acid-heat care*¹ × repair & shape correction*⁴"

Feature 1: Apply before using a blow dryer or hair iron

After taking a bath, towel-dry your damp hair, and apply this out-of-bath hair care before using a blow dryer, etc. By making acid-heat care*¹ possible even out-of-bath, it leads to straight hair*³ using heat as an ally.

Feature 2: "Shape correction*⁴" is possible even out-of-bath by performing acid-heat care*¹.

Focusing on dryness and spread that easily occur with colored and bleached hair, and designing to improve ease of use,

Lebrinic acid*⁵ and Tosteal®*⁶ have been adopted.

Considering the dry texture unique to damaged hair, by layering "shape correction*⁴" ingredients,

A finish with less friction, not too hard, and softness has been pursued.

Lebrinic acid*⁵

Acid-heat care*¹ ingredient. Brings a correcting effect to the hair by adding heat with a blow dryer or iron, etc.

Tosteal®*⁶

Straightens and strengthens the distorted structure inside the hair.

Feature 3: Professional-oriented repair & moisturizing care for damaged hair

For hair that is prone to dryness due to damage from coloring and bleaching, low-molecular "active keratin"*⁷ is used as the main ingredient, along with repair ingredients such as Hemachin*⁸, γ-Docosactone*⁹, and Pericea®*¹⁰.

Then, by combining Lipijua®*¹¹ as a moisturizing ingredient, the moisture and luster of the hair are sustained, the texture of the hair surface is improved, and the hair becomes smooth and easy to comb.

Low-molecular "active keratin"*⁷

The Isshi Kerlis Noir series adopts low-molecular "active keratin"*⁷ made in France, which is easy to penetrate and adhere to the inside of the hair.

Easily reaches the state where gaps in the hair increase due to damage, with the idea of "penetrating repair."

Instead of covering the surface thickly and patching it up, it aims for the original light finish of the hair by organizing the foundation from the inside.

Hemachin*⁸

Has the characteristic of easily binding with hair proteins, and after coloring or perming, it keeps the hair healthy, strengthens the damaged parts, and leads to hair that is easy to manage with bounce and firmness. It also decomposes residual alkali after hair coloring or perming, suppressing "progression of damage," "fading," and "dryness."

γ-Docosactone*⁹

By applying heat with a blow dryer or hair iron, etc., it coats the surface of the hair and leads to a smoothly arranged state.

Pericea®*¹⁰

Easily penetrates the inside of the hair, improves the strength and moisture content of the hair, and leads to smooth combing.

Lipijua®*¹¹

Has about twice the moisturizing power of hyaluronic acid, and maintains moisture and improves the texture of the hair surface.

Feature 4: Deeply penetrates damaged areas because it is not rinsed off. Light yet easy to manage and arrange

Aiming for a finish that is light yet easy to manage, without being too heavy or hard, which is prone to occur in damage care.

Others

This product is characterized by having a gray or brownish color because it contains a high concentration*¹² of the repair ingredient Hemachin*⁸.

Usage Method

After taking a bath, apply an appropriate amount of [acid-heat hair milk] to damp hair that has been towel-dried.

When blow-drying, blow while firmly applying weight from below,

And by applying heat with a hair iron as a finish, hair care becomes even easier.

Shampoo/Treatment received A rating & 1st place in usage feeling at LDK the Beauty!

All monitors were moved by the usage feeling in a monitor survey with the product name concealed!

Titled "Shampoo & Treatment 100 Power Judgment," this feature (LDK the Beauty July 2026 issue) judged 100 shampoos & treatments with ABC ratings in the "Over 2,000 yen" section, and "Isshi Kerlis Noir Shampoo & Treatment" received an A rating and 1st place in usage feeling.

Among the products verified this time, "Isshi was the only one with a perfect usage feeling," it was evaluated, and in addition to being able to shampoo comfortably, the goodness of the manageability after drying and the next morning was realized. In the finish verification, it was highly evaluated for achieving moisture, manageability to the tips, and light combing.

— Isshi Kerlis Noir Shampoo/Treatment —

＜Reconstructing the foundation of hair with active keratin*⁷ × Hemachin*⁸ × professional-oriented repair ingredients＞

Washing up damaged hair or frizzy hair from coloring, perming, etc. with gentle cleansing ingredients,

And repairing both the inside and outside of the hair with luxurious professional-oriented repair ingredients*².

Leading to hair that is light and smooth, with moisture and smooth manageability.

＜Left＞ Product Name: Isshi Kerlis Noir

Shampoo Smoothing Repair Moist

Content: 400mL

＜Right＞ Product Name: Isshi Kerlis Noir

Treatment Smoothing Repair Moist

Content: 400g

Price: 2,700 yen (tax-excluded) / 2,970 yen (tax-included) each

Sales locations include Loft, Hands, and other variety stores