Brightening, tone-evening serum built around 10% niacinamide plus a 12% “Vita ACE” complex (vitamins A/C/E in multiple forms: 3-O-ethyl ascorbic acid, SAP, ascorbic acid, ascorbyl glucoside, tocopherol). Also includes arbutin and kojic acid for dark spots, French hyssop extract, rice extract, sodium hyaluronate, ceramide NP, and a 5-peptide blend (acetyl hexapeptide-8, copper tripeptide-1, palmitoyl pentapeptide-4, oligopeptide-1/-2) for elasticity and barrier support

After cleansing (and toner), apply a few drops to face/neck and pat to absorb. Use AM and/or PM; if used in the morning, finish with sunscreen. Focus extra on areas with hyperpigmentation or fine lines.

Arencia is a South Korean skincare brand with products aimed to target specific skincare concerns through it's use of high potency actives like peptides, collagen complexes, and antioxidant botanicals. Their formulations often feature modern textures, jelly and smoothie-like, and highlight clean ingredients. 

Water, Butylene Glycol, Dipropylene Glycol, Niacinamide, Propanediol, Glycerin, Arbutin, 1,2-Hexanediol, Methylpropanediol, Arginine, Carbomer, Dextrin, Ethylhexylglycerin, Adenosine, Gardenia Florida Fruit Extract, Glyceryl Acrylate/Acrylic Acid Copolymer, Kojic Acid, PVM/MA Copolymer, Hyssopus Officinalis (Hyssop) Extract, Sodium Hyaluronate, Linum Usitatissimum (Linseed) Seed Extract, Oryza Sativa (Rice) Extract, 3-O-Ethyl Ascorbic Acid, Sodium Ascorbyl Phosphate, Ascorbic Acid, Ascorbyl Glucoside, Tocopherol (Vitamin E), Panthenol, Pyridoxine (Vitamin B6), Corchorus Olitorius Leaf Extract, Angelica Keiskei Extract, Nelumbo Nucifera Root Extract, Hibiscus Esculentus Fruit Extract, Dioscorea Japonica Root Extract, Hydrogenated Lecithin, Acetyl Hexapeptide-8, Copper Tripeptide-1, Ceramide NP, Glycosphingolipids, Palmitoyl Pentapeptide-4, Oligopeptide-1, Oligopeptide-2.

Type:
Normal — lightweight daily serum that boosts glow and smooths texture. 
Dry — humectants (glycerin, butylene glycol) and sodium hyaluronate support water binding. 
Oily — non-oily water-gel feel; niacinamide helps regulate look of pores/sebum. 
Combination — balances hydration across zones without heaviness. 
Sensitive — fragrance-free & essential-oil-free; includes soothing panthenol.

Concerns:
Pigmentation / Dark Spots — niacinamide + multiple vitamin-C derivatives (3-O-ethyl ascorbic acid, SAP, AA, ascorbyl glucoside) and arbutin/kojic acid target tone unevenness. 

Dullness / Tired Skin — Vitamin A-C-E complex and antioxidants boost radiance. 

Aging — adenosine and peptide complex (acetyl hexapeptide-8, copper tripeptide-1 palmitoyl pentapeptide-4) support firmness and fine lines. 

Dehydration — glycerin, propanediol, butylene glycol, and sodium hyaluronate provide humectant hydration. 

Acne-Prone — niacinamide and sodium ascorbyl phosphate listed as anti-acne actives. 
Redness & Irritation — panthenol and copper tripeptide-1 offer soothing support.