Dr.Althea 0.1 Gentle Retinol Serum vs Isntree Hyper Niacinamide 20 Serum

Dr.Althea

Isntree

A serum built around Panthenol and Retinoid, for barrier repair and smoothing.

A serum built around Niacinamide and Alpha arbutin, for hydration and brightening.

Serum

32 ingredients

30 ingredients

Brand price

USD 23.90 · checked 26 Sept 2026 · brand's site

Brand price

Not recorded · brand's site

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Brand from South Korea

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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.

Vitamin E1
Tocopherols — fat-soluble antioxidants.
Tocopherol
Bakuchiol1
A plant-derived ingredient studied as a retinol alternative.
Bakuchiol
Panthenol (provitamin B5)1
Provitamin B5 — a humectant and soother.
Panthenol
Retinoid1
Vitamin A derivatives that speed cell turnover.
Retinol

Face oil1
An oil formulated to be used on the face.
Oenothera Biennis Flower Extract
Alpha arbutin1
A gentler glycosylated relative of hydroquinone.
Arbutin
Zinc salt (sebum/soothing)1
Zinc salts, used for sebum control and soothing.
Zinc PCA
Hyaluronic acid3
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Hyaluronic Acid, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer

Hydrating12
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Dipotassium Glycyrrhizate, Glycerin, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Propanediol, Pueraria Lobata Root Extract, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Sodium PCA, Zinc PCA
Barrier Repair2
Strengthens and restores the skin's natural barrier.
Glycerin, Niacinamide
Reduces Irritation2
Eases discomfort and supports skin resilience.
Dipotassium Glycyrrhizate, Zinc PCA
Redness Reducing1
Soothes visible redness and calms irritation.
Niacinamide

May Trigger Acne4
Can clog pores or trigger breakouts.
Glycine Soja Oil, Sorbitan Isostearate, Sorbitan Oleate, Tocopherol
May Worsen Seborrheic Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
Glycine Soja Oil, Hydrogenated Lecithin, Polyglyceryl-3 Methylglucose Distearate, Sorbitan Isostearate, Sorbitan Oleate
May Worsen Keratosis Pilaris4
May clog follicles or strip skin prone to keratosis pilaris.
Glycine Soja Oil, Sorbitan Isostearate, Sorbitan Oleate, Tocopherol
May Worsen Oily Skin1
May increase shine or excess oil.
Glycine Soja Oil

May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sodium Acetylated Hyaluronate
May Worsen Oily Skin1
May increase shine or excess oil.
Oenothera Biennis Flower Extract

Show highlights for:

Water (in both products)
Skin Conditioning
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Dibutyl Adipate
Emollient
1,2-Hexanediol (in both products)
Skin Conditioning
Panthenol
Skin Conditioning
0 / 0
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
Glycine Soja Oil
Emollient
3 / 0
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- Barrier Repair
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis
Hydrogenated Lecithin
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Caprylic/Capric Triglyceride
Occlusive
1 / 1
Polyglyceryl-3 Methylglucose Distearate
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis

Water (in both products)
Skin Conditioning
Niacinamide
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Dipropylene Glycol
Perfuming
0-1 / —
Methylpropanediol
Solvent
0-1 / —
Propanediol
Viscosity Controlling
0-1 / —
- Hydrating
Arbutin
Antioxidant
- Alpha arbutin
- Brightening
- Dark Spots
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Zinc PCA
Humectant
- Zinc salt (sebum/soothing)
- Acne Fighting
- Oil Control
- Reduces Irritation
Sodium PCA
Humectant
0 / 0
- Hydrating
Portulaca Oleracea Extract
Skin Conditioning

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 →
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 →
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 →
1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →