The difference is a handful of doors. The Signature adds two more full sizes, a Summer Fridays Lip Butter Balm and Fable & Mane's HoliRoots Hair Oil; the Special Edition trades them for travel sizes of fine fragrance (Kayali, Escentric Molecules, Fugazzi, Kilian) and haircare (K18, Color Wow, Davines). The Signature is for owning more finished products, the Special for sampling perfume. Cult Beauty prints the full list for both, and neither ships to the US, Canada or Argentina.
2024 was one box of over 40 products at 525 GBP; 2025 split into the Classic Curation (34 items, 20 full size) and the Limited-Edition Curation (over 40, with six fragrances) at 444 EUR. The 2026 price is a step down and so is the count; the full-size share is where it holds.