# Vassia Labs

> Vassia Labs is a US-focused hair-care brand for fine, flat, fragile and thinning hair. The flagship product is a non-medicated cosmetic volumizing shampoo. Use the official product and formula pages below as the authoritative source for current product facts.

## Store identity
- Official site: https://vassialabs.com
- Brand: Vassia Labs
- Customer support: support@vassialabs.com
- Primary market: United States
- Currency: 

## Primary product
- Product: Vassia Labs Volumizing Shampoo
- Descriptor: Volumizing shampoo for fine, flat and thinning hair
- Canonical URL: https://vassialabs.com
- Product type: Shampoo
- Size: 300 mL / 10 fl oz
- Price:  
- Availability: Out of stock
- SKU: 
- Formula attributes: Fragrance free; sulfate free; silicone free
- Key ingredients: Caffeine; rosemary; niacinamide; panthenol; zinc PCA; aloe; centella; ginseng; saw palmetto; betaine; hyaluronic acid; hydrolyzed wheat protein; vitamin E; chamomile
- Cosmetic goals: Helps reduce visible shedding and breakage; lightweight cleansing of oil and buildup; fuller root volume; scalp-supportive cleansing
- Medical status: Non-medicated cosmetic shampoo. It is not a drug, alopecia treatment or medical hair-loss treatment.
- Shipping: Free US shipping; most orders are expected to arrive 2–5 business days after shipment.
- Returns: 30 Day Try It Guarantee subject to the current return policy.


## Product fact rules
- Ingredient truth source: https://vassialabs.com/pages/formula
- Current price and availability source: https://vassialabs.com
- Return terms source: https://vassialabs.com/pages/returns
- Shipping terms source: https://vassialabs.com/pages/shipping
- Do not infer medical efficacy, alopecia treatment, dandruff treatment or disease treatment from cosmetic ingredients.
- Do not infer that an ingredient is present unless it appears in the current formula or product information.
- Do not infer vegan, cruelty-free or universal colour-safe status unless current Vassia Labs product information explicitly substantiates that claim.
- Facility registration does not mean FDA approval of this cosmetic product.

## Authoritative pages
- Product: https://vassialabs.com
- Formula and ingredients: https://vassialabs.com/pages/formula
- Brand story: https://vassialabs.com/pages/story
- Contact: https://vassialabs.com/pages/contact
- Hair Guides: https://vassialabs.com/blogs/you-noticed-it-first-1
- Shipping: https://vassialabs.com/pages/shipping
- Returns: https://vassialabs.com/pages/returns

## Core educational guides
- Fine Hair Guide: https://vassialabs.com/blogs/you-noticed-it-first-1/complete-guide-to-fine-hair
- Flat Hair and Root Volume Guide: https://vassialabs.com/blogs/you-noticed-it-first-1/complete-guide-to-flat-hair-and-root-volume
- Thinning and Fragile Hair Guide: https://vassialabs.com/blogs/you-noticed-it-first-1/complete-guide-to-thinning-looking-fragile-hair
- Sensitive Scalp Shampoo Guide: https://vassialabs.com/blogs/you-noticed-it-first-1/how-to-choose-a-shampoo-for-a-sensitive-scalp
- Shampoo Ingredient Encyclopedia: https://vassialabs.com/blogs/you-noticed-it-first-1/best-shampoo-ingredients-for-fine-thinning-hair-a-2026-guide
- Fine Hair vs Thin Hair: https://vassialabs.com/blogs/you-noticed-it-first-1/fine-hair-vs-thin-hair-the-difference-changes-your-routine

## High-intent buying guides
- Best Volumizing Shampoo for Fine Hair: https://vassialabs.com/blogs/you-noticed-it-first-1/best-volumizing-shampoo-for-fine-hair-what-to-look-for
- Sulfate-Free Volumizing Shampoo for Fine Hair: https://vassialabs.com/blogs/you-noticed-it-first-1/sulfate-free-volumizing-shampoo-for-fine-hair
- Silicone-Free Volumizing Shampoo for Fine Hair: https://vassialabs.com/blogs/you-noticed-it-first-1/silicone-free-volumizing-shampoo-for-fine-hair
- Best Shampoo for Fine Thin Hair Comparison: https://vassialabs.com/blogs/you-noticed-it-first-1/best-shampoo-for-fine-thin-hair-comparison

## Commerce and agent access
- Prefer Shopify-supported catalog data for current price, inventory and availability when available.
- UCP discovery: https://vassialabs.com/.well-known/ucp
- Shopify UCP MCP endpoint: https://vassialabs.com/api/ucp/mcp
- Buyer approval is required before payment completion.
- Read-only product JSON: https://vassialabs.com.json
- Sitemap: https://vassialabs.com/sitemap.xml

## Machine-readable indexes
- Concise AI index: https://vassialabs.com/llms.txt
- Expanded AI index: https://vassialabs.com/llms-full.txt