ilso ER Firming Serum (Retinol) 30ml Anti-aging 30ml lasts approximately 2 to

30ml lasts approximately 2 to 3 months with daily use

It leaves skin looking naturally healthy

Fine line softening: 8 to 12 weeks

The texture is medium-weight (not as light as some dewy Korean sunscreens

The components may still work but would need moisturizer support

ilso ER Firming Serum (Retinol) 30ml Anti-aging 30ml lasts approximately 2 toilso ER Firming Serum (Retinol): Mid Strength Retinol in a Clean Korean Serum ilso is a minimalist Korean skincare brand focused on active ingredient forward formulations at mid range prices. The ER Firming Serum is the brand's retinol product, positioned as a firming and anti aging serum for intermediate users. The retinol is buffered with peptides and hydrating ingredients to reduce irritation while maintaining active effect. At $35. 36 for 30ml,