Rejuran Turnover Ampoule vs Dr.Althea 0.1 Gentle Retinol Serum

Rejuran

Dr.Althea

A serum built around Niacinamide and Hyaluronic acid, for hydration and barrier repair.

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

Serum

25 ingredients

32 ingredients

Brand price

USD 52.00 · checked 28 Sept 2026 · brand's site

Brand price

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

No retailer listed yet

Brand from South Korea

At a Glance

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

Vitamin E1
Tocopherols — fat-soluble antioxidants.
Tocopheryl Acetate
Alpha arbutin1
A gentler glycosylated relative of hydroquinone.
Arbutin
Polysorbates (Tween emulsifiers)1
Polysorbate (Tween) emulsifiers.
Polysorbate 20
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Sodium Hyaluronate

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

May Trigger Acne1
Can clog pores or trigger breakouts.
Hexylene Glycol
May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
Polysorbate 20
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Hexylene Glycol
May Worsen Irritation1
May cause stinging, redness or sensitivity.
Benzyl Alcohol

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

Show highlights for:

Water (in both products)
Skin Conditioning
Aloe Barbadensis Leaf Juice
Skin Conditioning
- Hydrating
- Reduces Irritation
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
PEG-6
Humectant
Rubus Fruticosus Leaf Extract
Skin Conditioning
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Niacinamide
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Glycyrrhiza Glabra Root Extract
Emollient
- Brightening
- Redness Reducing
- Reduces Irritation
Calendula Officinalis Flower Extract
Skin Conditioning
Vaccinium Angustifolium Fruit Extract
Skin Protecting

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
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

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 →
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 →
Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →