Academy topic
Leather, fabric & Alcantara — interior care
Hide anatomy, Alcantara, dye transfer, and extraction — science vs. marketing.
Technology
Automotive leather anatomy — why modern cars do not need “feeding oil”
“Real leather in a luxury car” usually means breathable, warm material that gains patina. In most current vehicles you are looking at a highly engineered polyurethane clearcoat over a hide matrix. For correct care you mu
10 minread
Mýty a fakta
Why classic oil conditioners harm modern PU leather
“Leather needs oil” made sense for saddles and aniline hides. In a modern car the oil molecule has nowhere to go: below ~50 µm of polyurethane lies pigment, then dermis. Oil stays on the surface as a greasy film — and th
9 minread
How-to guide
Denim dye transfer — why indigo penetrates PU clearcoat
Blue marks on beige or light gray driver seats are not cosmetic — they are mechanical dye penetration through PU clearcoat into the pigment layer. Recovery is slow once it happens. Knowing when it occurs tells you when t
12 minread
Expert Guide
Alcantara — microfiber anatomy, matting, and pilling
What Alcantara is made of, matting vs pilling, safe tools from soft brush to de-piller, and why direct spray and alkaline APC destroy the fabric.
11 minread
Application protocol
Fabric and carpets — extraction, wicking, and why stains return
Hot water extraction limits (~250 ml per seat), wicking prevention, resoiling from APC residue, and Textile V3 as prevention.
11 minread
Buying guide
FEYNLAB® interior portfolio — product map and three myths
Surface map: Interior Cleaner, Leather Treatment/Coating, Textile V3, Plastic V2 — plus myths about oil, enzymes, and ozone.
10 minread