K18 Hair
(https://k18hair.com) 📸 Data Snapshot: May 31, 2026Inspect the JSON-LD. Is there an Organization or Person schema, and does it carry sameAs links to real external profiles (LinkedIn, socials)? Missing schema or no identity declaration signals an anonymous entity.
Authority is anchored by the naming of ‘Trichologist Angela Onuoha,’ which provides a significant footprint often missing in competitor sites. However, the ’25+ prestigious awards’ mentioned in the meta description are not specifically listed or verified on the homepage. The lack of Person schema for the founders or lead scientists behind the ‘biotech’ claims represents a missed authority verification opportunity.
The brand makes bold claims of ‘interdimensional’ results and ‘reversing damage’ while admitting in the FAQs that results may vary and typically take ‘2-3 uses’ to become visible. The ‘clinically proven cleanse’ section on the shampoo page shows placeholder-style text (‘0 said hair looks healthier*’) in the clean text, suggesting a gap between the marketing layout and the actual data injection. The tone is highly disruptive/scientific, yet the primary metric for success cited is TikTok engagement.
Identity & Authority is read from the structured data first: whether the site declares who it is in machine-readable schema, with verifiable identity links. Below is the schema captured per page, then the external proof links that support (or fail to support) that identity.
🔗 Identity & Technical Layer — schema JSON-LD: identity chains, entity gaps
Homepage schema
{
"@context": "https://schema.org",
"@type": "WebSite",
"name": "K18Hair",
"url": "www.k18hair.com",
"potentialAction": {
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://www.k18hair.com/search?q={search_term_string}"
},
"query-input": "required name=search_term_string"
}
}
/products/leave-in-molecular-repair-hair-mask-50-ml/
[
{
"@context": "https://schema.org",
"@id": "https://www.k18hair.com/products/leave-in-molecular-repair-hair-mask-50-ml",
"@type": "Product",
"sku": "K18-31005",
"mpn": "K18-31005",
"brand": {
"@type": "Brand",
"name": "K18Hair"
},
"description": "A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE™ is clinically proven to repair damage from bleach + color, chemical services and heat* – with immediate and lasting results to restore strength, softness, smoothness and bounce to hair.\n20+ billion TikTok views ? \n*Disclaimers",
"url": "https://www.k18hair.com/products/leave-in-molecular-repair-hair-mask-50-ml",
"name": "Full-Size Leave-In Molecular Repair Hair Mask 50mL",
"image": "https://www.k18hair.com/cdn/shop/files/00_Mask.jpg?v=1726613673&width=1024",
"offers": [
{
"@type": "Offer",
"availability": "https://schema.org/InStock",
"itemCondition": "https://schema.org/NewCondition",
"priceCurrency": "USD",
"price": "75.00",
"priceValidUntil": "2027-05-30",
"url": "https://www.k18hair.com/products/leave-in-molecular-repair-hair-mask-50-ml?variant=31969808646213",
"checkoutPageURLTemplate": "https://www.k18hair.com/cart/add?id=31969808646213&quantity=1",
"image": "https://www.k18hair.com/cdn/shop/files/00_Mask.jpg?v=1726613673&width=1024",
"mpn": "K18-31005",
"sku": "K18-31005",
"gtin12": "858511001128",
"seller": {
"@type": "Organization",
"name": "K18Hair"
}
}
],
"aggregateRating": {
"@type": "AggregateRating",
"ratingValue": "4.7",
"ratingCount": "5558"
}
},
{
"@context": "http://schema.org",
"@type": "BreadcrumbList",
"name": "Breadcrumbs",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "Full-Size Leave-In Molecular Repair Hair Mask 50mL",
"item": "https://www.k18hair.com/products/leave-in-molecular-repair-hair-mask-50-ml"
}
]
},
{
"@context": "https://schema.org",
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "how does the k18 mask work?",
"acceptedAnswer": {
"@type": "Answer",
"text": "The K18 mask works as a treatment to reverse damage in 4 minutes. It’s powered by our biomimetic K18PEPTIDE™ to seamlessly fit in and reconnect broken polypeptide chains at the molecular level. As a result, disulfide bonds are also reconnected for reinforced strength along the length + width of hair—offering comprehensive, lasting, and progressive repair."
}
},
{
"@type": "Question",
"name": "what is the k18peptide™?",
"acceptedAnswer": {
"@type": "Answer",
"text": "K18PEPTIDE™ is a biotech-developed peptide that mimics hair’s structure to reverse damage by reconnecting polypeptide chains and disulfide bonds broken during damage from bleach + color, chemical services, and heat*\n\n *Disclaimers"
}
},
{
"@type": "Question",
"name": "why skip conditioner?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Conditioner leaves a film that blocks our peptide from penetrating effectively. Once the 4-minute wait time is up, feel free to use a conditioner, a leave-in, or any type of product."
}
},
{
"@type": "Question",
"name": "i noticed there’s alcohol in the formula, isn’t that bad for you?",
"acceptedAnswer": {
"@type": "Answer",
"text": "We like to keep our formulas minimal, only using the exact amount of ingredients needed to get the peptide where it needs to go. Here the alcohol serves as an agent to optimize the hair environment for the K18 mask to work on a deeper level. Our unique blend of 3 alcohols functions to open the hair cuticle so the K18PEPTIDE™ can penetrate the innermost layer of hair, reaching the broken polypeptide chains (keratin chains)."
}
},
{
"@type": "Question",
"name": "when should i expect to see results?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Most see results after 2-3 uses. The more damaged the hair, the more dramatic the results so it may vary depending on your hair type and level of damage."
}
}
]
}
]
/products/damage-shield-protective-shampoo-8-5oz/
[
{
"@context": "https://schema.org",
"@id": "https://www.k18hair.com/products/damage-shield-protective-shampoo-8-5oz",
"@type": "Product",
"sku": "K18-40125",
"mpn": "K18-40125",
"brand": {
"@type": "Brand",
"name": "K18Hair"
},
"description": "A color-safe, pH-optimized shampoo with the patented K18PEPTIDE™ to effectively cleanse while maintaining hair health and protecting hair from damage. pH-optimized formula helps reduce excess swelling of the hair cuticle during washing to help prevent frizz, preserve color, and enhance shine. Scalp microbiome-friendly and gentle enough to use every time you cleanse.",
"url": "https://www.k18hair.com/products/damage-shield-protective-shampoo-8-5oz",
"name": "DAMAGE SHIELD protective shampoo 8.5oz",
"image": "https://www.k18hair.com/cdn/shop/files/Untitled_design_51.png?v=1743538438&width=1024",
"offers": [
{
"@type": "Offer",
"availability": "https://schema.org/InStock",
"itemCondition": "https://schema.org/NewCondition",
"priceCurrency": "USD",
"price": "39.00",
"priceValidUntil": "2027-05-30",
"url": "https://www.k18hair.com/products/damage-shield-protective-shampoo-8-5oz?variant=40783310127173",
"checkoutPageURLTemplate": "https://www.k18hair.com/cart/add?id=40783310127173&quantity=1",
"image": "https://www.k18hair.com/cdn/shop/files/Untitled_design_51.png?v=1743538438&width=1024",
"mpn": "K18-40125",
"sku": "K18-40125",
"gtin12": "858511000749",
"seller": {
"@type": "Organization",
"name": "K18Hair"
}
}
],
"aggregateRating": {
"@type": "AggregateRating",
"ratingValue": "4.8",
"ratingCount": "493"
}
},
{
"@context": "http://schema.org",
"@type": "BreadcrumbList",
"name": "Breadcrumbs",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "DAMAGE SHIELD protective shampoo 8.5oz",
"item": "https://www.k18hair.com/products/damage-shield-protective-shampoo-8-5oz"
}
]
},
{
"@context": "https://schema.org",
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Is the formula of the DAMAGE SHIELD pH protective shampoo different from the PEPTIDE PREP™ pH maintenance shampoo?",
"acceptedAnswer": {
"@type": "Answer",
"text": "No, the formula of the DAMAGE SHIELD pH protective shampoo is not different from the PEPTIDE PREP™ pH maintenance shampoo. Just the name has changed, the formulation you know and love is the same."
}
},
{
"@type": "Question",
"name": "What makes the DAMAGE SHIELD pH protective shampoo special?",
"acceptedAnswer": {
"@type": "Answer",
"text": "The DAMAGE SHIELD pH protective shampoo delivers healthier hair and scalp after just one wash. Its optimized pH helps maintain the hair cuticle, preventing excess water from entering the hair, which can cause damage, dullness, frizz, and tangling. With this shampoo, your color is maintained, hair feels strong, healthy, looks smooth with less frizz, and is easier to style with less tangles. This formula moisturizes hair without weighing it down, and preserves the scalp microbiome for a healthier-feeling scalp and a gentler cleanse. Coupled with the DAMAGE SHIELD protective conditioner, these formulas shield your healthiest hair from daily damage."
}
},
{
"@type": "Question",
"name": "When do I use the DAMAGE SHIELD pH protective shampoo?",
"acceptedAnswer": {
"@type": "Answer",
"text": "This pH-balanced formula is gentle enough to use every time you cleanse, delivering healthier hair and scalp after just one wash."
}
},
{
"@type": "Question",
"name": "Why do I need both shampoos?",
"acceptedAnswer": {
"@type": "Answer",
"text": "You need both shampoos to deliver the most effective clean while maintaining your hair + scalp health. Detox shampoo is engineered for less frequent heavy-duty washing, and DAMAGE SHIELD pH protective shampoo (previously pH maintenance shampoo) is engineered for frequent washing."
}
}
]
}
]
🛡️ Trust Signals — external proof links that back the declared identity
| Page | Reviews | Proof links |
|---|---|---|
| / (home) | 1019 | 3 |
| /products/leave-in-molecular-repair-hair-mask-50-ml/ | 1253 | 3 |
| /pages/tyb/ | 591 | 3 |
| /products/damage-shield-protective-shampoo-8-5oz/ | 1212 | 3 |
This page presents a snapshot of public data from K18 Hair, captured on May 31, 2026, to show how machine logic reads Identity & Authority signals into an AI reputation evaluation.
Purpose: This data is presented under “Fair Use” for the purpose of independent signal analysis, allowing readers to see the raw signals behind the reputation score.
Notice to K18 Hair: This analysis is part of a non-adversarial audit conducted by 1 Euro SEO. The results are intended as professional feedback to help improve any website’s machine-readability and authority signals. The evaluation is free, and any company can request a fresh audit at any time.
Any company can use the insights for free and improve its voice. When a company has updated its content, it can always submit a new audit request, which will be reflected in a new current score.
To all users: You are encouraged to visit the live site at https://k18hair.com to view the most current version of its content and see directly what this company is about and what it offers.