Onsen Secret Tenseless serum 成份

Ingredients overview

Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.

Ingredients are listed in label order; the order reflects the label only, not exact concentrations.

1. Tourmaline
2. Thujopsis Dolabrata Branch Extract
3. Dipeptide Diaminobutyroyl Benzylamide Diacetate
4. Palmitoyl Tripeptide-5
5. Simmondsia Chinensis Seed Oil
6. Cetyl Alcohol
7. Ceteareth-20
8. Prunus Amygdalus Dulcis Oil
9. Vitis vinifera
10. Sodium Ascorbyl Phosphate
11. Phenyl Trimethicone
12. Dimethicone
13. Acetyl Hexapeptide-8
14. Cyclomethicone
15. Porphyra Umbilicalis Extract
16. Malus Domestica Fruit Cell Culture Extract
17. Trimethylsiloxysilicate
18. Hyaluronic Acid
19. Aloe Barbadensis Leaf Juice
20. Camellia Sinensis Leaf Extract
21. Phenoxyethanol
22. Disodium Acetyl Glucosamine Phosphate
23. Xanthan Gum
24. Tocopheryl Acetate
25. Retinyl Palmitate
26. Lavandula Angustifolia Oil
27. Ethylhexylglycerin

Highlights

Free of alcoholFree of parabensFree of sulfatesFree of mineral oilFree of formaldehyde releasersContains essential oilsContains siliconesContains fragranceContains EU-26 allergens

Key ingredients

VISCOSITY CONTROLLING

Tourmaline

SKIN CONDITIONING

Thujopsis Dolabrata Branch ExtractDipeptide Diaminobutyroyl Benzylamide DiacetatePrunus Amygdalus Dulcis Oil

SKIN CONDITIONING - MISCELLANEOUS

Palmitoyl Tripeptide-5

SKIN CONDITIONING - EMOLLIENT

Simmondsia Chinensis Seed OilCetyl Alcohol

ANTIOXIDANT

Sodium Ascorbyl Phosphate

Other ingredients

Ceteareth-20Vitis viniferaPhenyl TrimethiconeDimethiconeAcetyl Hexapeptide-8CyclomethiconePorphyra Umbilicalis ExtractMalus Domestica Fruit Cell Culture ExtractTrimethylsiloxysilicateHyaluronic AcidAloe Barbadensis Leaf JuiceCamellia Sinensis Leaf ExtractPhenoxyethanolDisodium Acetyl Glucosamine PhosphateXanthan GumTocopheryl AcetateRetinyl PalmitateLavandula Angustifolia OilEthylhexylglycerin

Skim through

Ingredients explained

Tourmaline

Tourmaline mineral powder for viscosity control or tactile modification. Inert and non-irritating; manage dust inhalation risks during manufacturing.

Thujopsis Dolabrata Branch Extract

Houtou Cypress branch extract for skin conditioning; plant extract, monitor batch variability and potential allergens.

Dipeptide Diaminobutyroyl Benzylamide Diacetate

Dipeptide skin conditioner for moisturizing and repair; low concentration, minimal irritation or comedogenic risk.

Palmitoyl Tripeptide-5

Peptide actives for skin conditioning; typically used at low levels.

Simmondsia Chinensis Seed Oil

Common in dry/damaged hair; superior penetration vs mineral oils, low comedogenic risk, poor oxidative stability.

Cetyl Alcohol

Cetyl alcohol for emulsification/thickening; high concentration >10% may irritate.

Ceteareth-20

Not decoded yet

Prunus Amygdalus Dulcis Oil

Sweet almond oil, light emollient; suitable for sensitive skin, caution for nut allergies.

Vitis vinifera

Not decoded yet

Sodium Ascorbyl Phosphate

Vitamin C derivative antioxidant at 0.5–2%; light-sensitive, requires opaque packaging

Phenyl Trimethicone

Aromatic modified silicone for high gloss and occlusion; inert, non-volatile, may leave surface residue

Dimethicone

Silicone occlusive at 1–5%; provides smooth feel, non-penetrating, suitable for sensitive skin

Acetyl Hexapeptide-8

Acetyl hexapeptide-8; signal peptide, low concentration, used for firming and hydration, low irritancy.

Cyclomethicone

Volatile silicone for light feel; contains D4 restricted by EU, must be <0.1% after 2026

Porphyra Umbilicalis Extract

Marine algae extract; antioxidant concept; monitor heavy metals and stability.

Malus Domestica Fruit Cell Culture Extract

Cell-culture apple extract for antioxidant skin conditioning

Trimethylsiloxysilicate

Silicate powder, oil-absorbing emollient; insoluble, high levels feel powdery.

Hyaluronic Acid

High-water-binding humectant at 0.1-1%; high-MW for surface film, low-MW for dermal potential, check cationic compatibility.

Aloe Barbadensis Leaf Juice

Natural humectant and soother with high water activity; requires preservative system, generally well-tolerated

Camellia Sinensis Leaf Extract

Green tea extract for antioxidant/astringent; contains caffeine, possible irritation in sensitive skin.

Phenoxyethanol

Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin

Disodium Acetyl Glucosamine Phosphate

Not decoded yet

Xanthan Gum

Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration

Tocopheryl Acetate

Vitamin E derivative antioxidant at 0.1–1%; more stable than tocopherol, store protected from light

Retinyl Palmitate

Vitamin A ester for skin conditioning; light-sensitive, requires protection, avoid in pregnancy.

Lavandula Angustifolia Oil

Fragrance essential oil, 0.1–1%; contains allergens, patch test required.

Ethylhexylglycerin

Mild conditioner and preservative booster at 0.5–1%; reduces preservative load, smooth feel