Ingredient reputation (propolis + niacinamide)
Many buyers cite the propolis/niacinamide combination as antibacterial, anti-inflammatory, and brightening, which drew them to purchase, especially for acne scarring and dullness.
Repeat purchase / brand loyalty
A large number of reviewers explicitly mention this being their 2nd-5th+ bottle and describe it as a 'holy grail' or staple, indicating strong repurchase intent.
Social proof / hype (TikTok, word-of-mouth)
Several reviews reference the product's viral 'glass skin' reputation and being recommended by friends or trends, though a few say it 'wasn't worth the hype.'
Gifting
Multiple reviewers bought bottles as gifts for mothers, sisters, husbands, or friends, citing the glow effect as a shareable benefit.
Price/value relative to results
Many note it is affordable especially during sales, though a growing subset in 2024-2025 comment that it has 'gotten too pricey' and is prompting searches for alternatives.