Repeat purchase / brand loyalty
A large number of reviewers explicitly state this is their 2nd, 3rd, or 'many years' repurchase, citing consistent results and becoming a routine staple.
Reputation for damaged/dry hair repair
Many buyers with bleached, dyed, or heat-damaged hair sought this out specifically because of its reputation for restoring softness and moisture to very dry ends.
Fragrance reputation
Several reviewers mention hearing about the scent on YouTube or from friends, and buy it primarily for the long-lasting perfume-like smell rather than pure hair benefits.
Gifting
Multiple reviewers bought it for family members (mother, daughter, sister) or as gifts to friends, indicating trust in the product as a safe gift choice.
Comparison/upgrade from Original line
Many customers who used the lighter 'original orange' Perfect Serum purchased the Super Rich version specifically seeking a heavier, more nourishing formula for thicker or more damaged hair.