Dr.Althea
Gentle Vitamin C SerumArencia
Retinal Booster ShotA serum built around Niacinamide and Vitamin C derivative, for barrier repair and hydration.
A serum built around Niacinamide and Retinoid, for barrier repair and smoothing.
Brand price
USD 23.90 · checked 26 Sept 2026 · brand's site
Brand price
USD 24.00 · checked 26 Sept 2026 · brand's site

At a Glance

They come out differently on Pore-clogger-free, Oil-free and Cruelty-free; those rows are shaded. Tap any answer to see why.

Key Ingredients


Benefits

Hydrating3
Boosts hydration and relieves dry, tight skin.
Barrier Repair4
Strengthens and restores the skin's natural barrier.
Allantoin, Caprylic/Capric Triglyceride, Caprylyl Glycol, Niacinamide
Hydrating8
Boosts hydration and relieves dry, tight skin.
Acetyl Hexapeptide-8, Butylene Glycol, Caprylic/Capric Triglyceride, Ceramide NP, Ectoin, Glycerin, Panthenol, Tocopherol
Barrier Repair17
Strengthens and restores the skin's natural barrier.
Allantoin, Bakuchiol, Brassica Campestris Sterols, Caprylic/Capric Triglyceride, Centella Asiatica Extract, Ceramide NP, Cetearyl Olivate, Cetyl Ethylhexanoate, Cholesterol, Diisostearyl Malate, Glycerin, Macadamia Ternifolia Seed Oil, Niacinamide, Panthenol, Sodium Polyacrylate, Tocopherol, Tripeptide-1
Reduces Irritation3
Eases discomfort and supports skin resilience.
Redness Reducing3
Soothes visible redness and calms irritation.

Concerns

May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Castor Oil/Ipdi Copolymer
May Worsen Seborrheic Dermatitis17
May feed the yeast involved in seborrheic dermatitis.
Acetyl Hexapeptide-8, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Aluminum/Magnesium Hydroxide Stearate, Ceramide NP, Cetearyl Olivate, Cetyl Ethylhexanoate, Diisostearyl Malate, Glycosphingolipids, Hydrogenated Lecithin, Macadamia Ternifolia Seed Oil, Palmitoyl Pentapeptide-4, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-5, Polyglyceryl-10 Laurate, Polyglyceryl-3 Methylglucose Distearate, Potassium Cetyl Phosphate, Sorbitan Olivate

Ingredients Side-by-side

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
1,2-Hexanediol (in both products)
Skin Conditioning
Perfuming
Film Forming
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Acrylates/C10-30 Alkyl Acrylate Crosspolymer (in both products)
Emulsion Stabilising
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Water (in both products)
Skin Conditioning
1,2-Hexanediol (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
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Polyglyceryl-3 Methylglucose Distearate
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
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 →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Caprylic/Capric Triglyceride
Fragrance, Perfuming, Occlusive, Solvent
Caprylic/Capric Triglyceride is the mixed triester of glycerin and caprylic and capric acids.
Learn more about Caprylic/Capric Triglyceride →Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion Stabilising, Film Forming, Viscosity Controlling
Acrylates/C10-30 Alkyl Acrylate Crosspolymer isn't fungal acne safe.
Learn more about Acrylates/C10-30 Alkyl Acrylate Crosspolymer →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Adenosine
Skin Conditioning
6-Amino-9-beta-D-ribofuranosyl-9H-purine
Learn more about Adenosine →Disodium EDTA
Chelating, Viscosity Controlling
Disodium dihydrogen ethylenediaminetetraacetate
Learn more about Disodium EDTA →Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →
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