Dr.Althea 0.1 Gentle Retinol Serum vs Skinfix Brighten + Firm 15% Vitamin C Serum

Dr.Althea

Skinfix

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

A serum built around Vitamin C derivative and Vitamin C, for hydration and pollution defence.

Serum

32 ingredients

40 ingredients

Brand price

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

Brand price

USD 69.00 · checked 8 Oct 2026 · brand's site

No retailer listed yet

Brand from South Korea

Brand country not recorded

At a Glance

They come out differently on 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

Vitamin E2
Tocopherols — fat-soluble antioxidants.
Tocopherol, Tocopheryl Acetate
Vitamin C derivative (stable)1
Stable derivatives of ascorbic acid.
Tetrahexyldecyl Ascorbate
AHA2
Alpha hydroxy acids — water-soluble chemical exfoliants.
Citric Acid, Lactic Acid
Lactic acid1
An AHA that also acts as a humectant.
Lactic Acid

Hydrating7
Boosts hydration and relieves dry, tight skin.
Aloe Barbadensis Leaf Juice, Glycerin, Lactic Acid, Polyglutamic Acid, Propanediol, Sodium Hyaluronate, Tocopherol
Barrier Repair6
Strengthens and restores the skin's natural barrier.
Caprylyl Glycol, Glycerin, Jojoba Oil/Macadamia Seed Oil Esters, Lecithin, Squalene, Tocopherol
Reduces Irritation1
Eases discomfort and supports skin resilience.
Aloe Barbadensis Leaf Juice
Smoothing5
Refines rough or uneven texture.
Caprylyl Glycol, Citric Acid, Lactic Acid, Lecithin, Squalene

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 Trigger Acne1
Can clog pores or trigger breakouts.
Tocopherol
May Worsen Seborrheic Dermatitis7
May feed the yeast involved in seborrheic dermatitis.
Acetyl Glutamine, Hydrogenated Lecithin, Jojoba Oil/Macadamia Seed Oil Esters, Lecithin, Phytosteryl Macadamiate, Polyglyceryl-10 Laurate, Tetrahexyldecyl Ascorbate
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Tocopherol
May Worsen Irritation1
May cause stinging, redness or sensitivity.
Tocopherol

Show highlights for:

Water
Skin Conditioning
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Butylene Glycol
Humectant
1 / 0
- Hydrating
Dibutyl Adipate
Emollient
1,2-Hexanediol
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 (in both products)
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

Aqua
Solvent
0 / —
Tetrahexyldecyl Ascorbate
Antioxidant
- Fatty alcohols (Malassezia)
- Vitamin C
- Vitamin C derivative (stable)
- Antioxidant
- Brightening
- Dark Spots
- May Worsen Seborrheic Dermatitis
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Isopentyldiol
Solvent
0-1 / —
Aloe Barbadensis Leaf Juice
Skin Conditioning
- Hydrating
- Reduces Irritation
Hydrogenated Lecithin (in both products)
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Polyglyceryl-10 Laurate
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Oligopeptide-1
Skin Conditioning
0 / —
Oligopeptide-2
Skin Conditioning
0 / —
Hexapeptide-11
Skin Conditioning
0 / —

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

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 →
Hydrogenated Lecithin
Skin Conditioning, Emulsifying
Hydrogenated Lecithin isn't fungal acne safe.
Learn more about Hydrogenated Lecithin →
Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →
Tocopherol
Antioxidant, Fragrance, Skin Conditioning, Occlusive
Tocopherol is vitamin E.
Learn more about Tocopherol →