SkinCeuticals P-TIOX Anti-Wrinkle Serum vs Numbuzin No.4 Ceramide AHA Glazed Skin Prep Serum

SkinCeuticals

Numbuzin

The brand gives no description.

A serum built around AHA and Glycolic acid, for hydration and barrier repair.

Serum

19 ingredients

41 ingredients

Brand price

USD 150.00 · checked 28 Sept 2026 · brand's site

Brand price

USD 18.20 · checked 26 Sept 2026 · brand's site

No retailer listed yet

Brand country not recorded

Brand from South Korea

At a Glance

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

PHA1
Polyhydroxy acids — larger and milder than AHAs.
Gluconolactone
BHA1
Beta hydroxy acid — oil-soluble, so it works inside the pore.
Salicylic Acid
Salicylic acid1
The BHA used in acne treatment.
Salicylic Acid
Niacinamide1
Vitamin B3 — supports the barrier and evens tone.
Niacinamide

Fatty alcohol1
Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.
Cetearyl Alcohol
Ceramide3
Skin-identical lipids that hold the barrier together.
Ceramide AP, Ceramide EOP, Ceramide NP
Vitamin E1
Tocopherols — fat-soluble antioxidants.
Tocopherol
PHA1
Polyhydroxy acids — larger and milder than AHAs.
Gluconolactone

Hydrating6
Boosts hydration and relieves dry, tight skin.
Acetyl Hexapeptide-8, Butylene Glycol, Gluconolactone, Glycerin, Methyl Gluceth-20, Peg/Ppg/Polybutylene Glycol-8/5/3 Glycerin
Barrier Repair3
Strengthens and restores the skin's natural barrier.
Glycerin, Laminaria Digitata Extract, Niacinamide
Redness Reducing1
Soothes visible redness and calms irritation.
Niacinamide
Anti-Aging2
Softens lines and helps skin look youthful.
Acetyl Hexapeptide-8, Adenosine

May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
Acetyl Hexapeptide-8
May Worsen Irritation1
May cause stinging, redness or sensitivity.
Alcohol Denat.
May Worsen Eczema1
May worsen itching or irritation for eczema-prone skin.
Alcohol Denat.
May Worsen Rosacea1
Can trigger flare-ups in rosacea-prone skin.
Alcohol Denat.

May Trigger Acne3
Can clog pores or trigger breakouts.
Cetearyl Alcohol, Stearic Acid, Tocopherol
May Worsen Seborrheic Dermatitis11
May feed the yeast involved in seborrheic dermatitis.
Ceramide AP, Ceramide As, Ceramide EOP, Ceramide NP, Ceramide Ns, Cetearyl Alcohol, Hydrogenated Lecithin, Phytosphingosine, Polyglyceryl-10 Laurate, Sphingomonas Ferment Extract, Stearic Acid
May Worsen Keratosis Pilaris3
May clog follicles or strip skin prone to keratosis pilaris.
Cetearyl Alcohol, Stearic Acid, Tocopherol
May Worsen Irritation1
May cause stinging, redness or sensitivity.
Tocopherol

Show highlights for:

Aqua
Solvent
0 / —
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Gluconolactone (in both products)
Skin Conditioning
- PHA
- Exfoliating
- Hydrating
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Peg/Ppg/Polybutylene Glycol-8/5/3 Glycerin
Humectant
Alcohol Denat.
Fragrance
0 / —
- Denatured alcohol
- May Worsen Dryness
- May Worsen Eczema
- May Worsen Irritation
- May Worsen Rosacea
Pentylene Glycol (in both products)
Skin Conditioning
0-1 / —
Methyl Gluceth-20
Humectant
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Potassium Hydroxide
Buffering
0-1 / —

Water
Skin Conditioning
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Glycolic Acid
Buffering
0-1 / —
- AHA
- Glycolic acid
- Anti-Aging
- Brightening
- Dark Spots
- Exfoliating
- Smoothing
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Gluconolactone (in both products)
Skin Conditioning
- PHA
- Exfoliating
- Hydrating
Betaine
Humectant
0 / —
- Hydrating
Dipropylene Glycol
Perfuming
0-1 / —
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Panthenol
Skin Conditioning
0 / 0
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
Pentylene Glycol (in both products)
Skin Conditioning
0-1 / —

These ingredients are found in both products.

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

Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →
Gluconolactone
Chelating, Skin Conditioning
Gluconolactone is a PHA.
Learn more about Gluconolactone →
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 →
Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene 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 →
Hydroxyethylcellulose
Binding, Emulsion Stabilising, Film Forming, Light Stabilizer, Viscosity Controlling
Cellulose, 2-hydroxyethyl ether
Learn more about Hydroxyethylcellulose →
Adenosine
Skin Conditioning
6-Amino-9-beta-D-ribofuranosyl-9H-purine
Learn more about Adenosine →