Arencia
Holy Hyssop Serum 30Paula's Choice
Niacinamide 20% TreatmentA serum built around Niacinamide and Hyaluronic acid, for hydration and barrier repair.
A serum built around Niacinamide and Vitamin C derivative, for barrier repair and hydration.
Brand price
USD 24.00 · checked 26 Sept 2026 · brand's site
Brand price
USD 59.00 · checked 8 Oct 2026 · brand's site
At a Glance
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Key Ingredients
Vitamin C derivative (stable)3
Stable derivatives of ascorbic acid.
3-O-Ethyl Ascorbic Acid, Ascorbyl Glucoside, Sodium Ascorbyl Phosphate
Benefits
Hydrating12
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Ceramide NP, Glycerin, Glyceryl Acrylate/Acrylic Acid Copolymer, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Panthenol, Propanediol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Tocopherol
Barrier Repair5
Strengthens and restores the skin's natural barrier.
Hydrating6
Boosts hydration and relieves dry, tight skin.
Acetyl Glucosamine, Butylene Glycol, Camellia Sinensis Leaf Extract, Glycerin, Panthenol, Propanediol
Barrier Repair9
Strengthens and restores the skin's natural barrier.
Allantoin, Boerhavia Diffusa Root Extract, Camellia Japonica Flower Extract, Camellia Sinensis Leaf Extract, Glycerin, Glycyrrhiza Glabra Root Extract, Lecithin, Niacinamide, Panthenol
Reduces Irritation4
Eases discomfort and supports skin resilience.
Allantoin, Camellia Sinensis Leaf Extract, Glycyrrhiza Glabra Root Extract, Panthenol
Redness Reducing3
Soothes visible redness and calms irritation.
Concerns
May Worsen Seborrheic Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Ceramide NP, Glycosphingolipids, Hydrogenated Lecithin, Sodium Acetylated Hyaluronate
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Ingredients Side-by-side
Water (in both products)
Skin Conditioning
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion Stabilising
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Water (in both products)
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Skin Conditioning
- Fatty alcohols (Malassezia)
- Dark Spots
- Hydrating
- May Worsen Seborrheic Dermatitis
Ascorbyl Glucoside (in both products)
Antioxidant
- Vitamin C
- Vitamin C derivative (stable)
- Antioxidant
- Brightening
- Dark Spots
Skin Conditioning
Skin Conditioning
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →Ascorbyl Glucoside
Antioxidant
Ascorbyl Glucoside is a vitamin C derivative.
Learn more about Ascorbyl Glucoside →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene Glycol →
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