La Mer The NEW Rejuvenating Night Cream — Efficacy 3.9/5.0, Safety 4.2/5.0 | DemythSkin
++++
[ DemythSkin Verdict ]
La Mer The NEW Rejuvenating Night Cream
La Mer

La Mer The NEW Rejuvenating Night Cream

MoisturizerBarrier Repair
Efficacy
Solid
3.9 / 5.0
Safety
Mostly Safe
4.2 / 5.0
System Verdict
This is an ultra-luxurious but fundamentally conservative night cream: great barrier support and pleasant texture, but only moderate true anti-aging firepower despite the marketing hype. The efficacy score sits around the mid–high range because the formula is built on a strong emollient/humectant base (shea butter, multiple oils and butters, glycerin, hyaluronate) plus a cluster of well-studied peptides and antioxidants, yet it lacks any gold-standard retinoid and relies on a mild vitamin C derivative and trace-positioned peptides and botanicals, which likely caps the real-world rejuvenation impact.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
Magnesium Ascorbyl Phosphate
A Tier: Good BasicsProven Results
Butyrospermum Parkii (Shea) ButterGlycerinSimmondsia Chinensis (Jojoba) Seed OilSodium HyaluronateTocopherolTocopheryl Acetate
B Tier: Supporting IngredientsPromising Ingredients
Caprylic/Capric/Myristic/Stearic TriglycerideMangifera Indica (Mango) Seed ButterSesamum Indicum (Sesame) Seed OilMedicago Sativa (Alfalfa) Seed PowderHelianthus Annuus (Sunflower) SeedcakePrunus Amygdalus Dulcis (Sweet Almond) Seed MealCopper GluconateCalcium GluconateMagnesium GluconateZinc GluconateTocopheryl SuccinateNiacinSesamum Indicum (Sesame) Seed PowderPalmitoyl Tripeptide-1Palmitoyl Tetrapeptide-7Palmitoyl Hexapeptide-12Acetyl Hexapeptide-8Crithmum Maritimum ExtractCrithmum Maritimum Callus Culture FiltrateCaffeine
C Tier: Marketing IdolsHype | Limited or Weak Data
Algae ExtractLaminaria Digitata ExtractYeast Extract/Faex/Extrait De LevureBambusa Vulgaris (Bamboo) ExtractCitrus Aurantifolia (Lime) Peel ExtractCoffea Arabica (Coffee) Seed ExtractPisum Sativum (Pea) Extract
D Tier: Potential IrritantsBe Cautious
Eucalyptus Globulus (Eucalyptus) Leaf Oil
What Each Ingredient Does
Water/Aqua/Eau
solvent base
Algae Extract
emollient, soothing agent
Butyrospermum Parkii (Shea) Butter
rich emollient, occlusive
Dimethicone
silicone emollient, skin protectant
Butylene Glycol
humectant, solvent
Caprylic/Capric/Myristic/Stearic Triglyceride
emollient, texture enhancer
Polyglyceryl-3 Methylglucose Distearate
emulsifier
Glycerin
primary humectant
Silica
texture modifier, mattifying agent
Coco-Caprylate/Caprate
light emollient
Simmondsia Chinensis (Jojoba) Seed Oil
emollient, skin-softening
Mangifera Indica (Mango) Seed Butter
emollient, occlusive
Polyglyceryl-10 Pentastearate
emulsifier
Glyceryl Stearate
emulsifier, emollient
Behenyl Alcohol
fatty alcohol, thickener
PEG-100 Stearate
emulsifier
Dimethicone/Vinyl Dimethicone Crosspolymer
texture modifier, film former
Sesamum Indicum (Sesame) Seed Oil
emollient oil
Medicago Sativa (Alfalfa) Seed Powder
botanical extract, marketing active
Helianthus Annuus (Sunflower) Seedcake
botanical extract, emollient
Prunus Amygdalus Dulcis (Sweet Almond) Seed Meal
botanical, emollient
Eucalyptus Globulus (Eucalyptus) Leaf Oil
fragrant essential oil
Sodium Gluconate
chelating agent
Copper Gluconate
trace mineral, conditioning
Full Ingredient List (INCI)

Water/Aqua/Eau, Algae Extract, Butyrospermum Parkii (Shea) Butter, Dimethicone, Butylene Glycol, Caprylic/Capric/Myristic/Stearic Triglyceride, Polyglyceryl-3 Methylglucose Distearate, Glycerin, Silica, Coco-Caprylate/Caprate, Simmondsia Chinensis (Jojoba) Seed Oil, Mangifera Indica (Mango) Seed Butter, Polyglyceryl-10 Pentastearate, Glyceryl Stearate, Behenyl Alcohol, PEG-100 Stearate, Dimethicone/Vinyl Dimethicone Crosspolymer, Sesamum Indicum (Sesame) Seed Oil, Medicago Sativa (Alfalfa) Seed Powder, Helianthus Annuus (Sunflower) Seedcake, Prunus Amygdalus Dulcis (Sweet Almond) Seed Meal, Eucalyptus Globulus (Eucalyptus) Leaf Oil, Sodium Gluconate, Copper Gluconate, Calcium Gluconate, Magnesium Gluconate, Zinc Gluconate, Tocopheryl Succinate, Niacin, Sesamum Indicum (Sesame) Seed Powder, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Palmitoyl Hexapeptide-12, Acetyl Hexapeptide-8, Sodium Hyaluronate, Crithmum Maritimum Extract, Laminaria Digitata Extract, Yeast Extract/Faex/Extrait De Levure, Crithmum Maritimum Callus Culture Filtrate, Bambusa Vulgaris (Bamboo) Extract, Citrus Aurantifolia (Lime) Peel Extract, Coffea Arabica (Coffee) Seed Extract, Pisum Sativum (Pea) Extract, Magnesium Ascorbyl Phosphate, Caffeine, Tocopherol, Tocopheryl Acetate, Lecithin

Frequently Asked

Is La Mer The NEW Rejuvenating Night Cream worth it?

La Mer The NEW Rejuvenating Night Cream scores 3.9 out of 5.0 for efficacy (Solid) and 4.2 out of 5.0 for safety (Mostly Safe) on DemythSkin's independent ingredient analysis. This is an ultra-luxurious but fundamentally conservative night cream: great barrier support and pleasant texture, but only moderate true anti-aging firepower despite the marketing hype. The efficacy score sits around th

What are the key active ingredients in La Mer The NEW Rejuvenating Night Cream?

La Mer The NEW Rejuvenating Night Cream contains these gold-standard actives with strong clinical evidence: Magnesium Ascorbyl Phosphate.

Does La Mer The NEW Rejuvenating Night Cream contain fragrance or known irritants?

DemythSkin flags these ingredients in La Mer The NEW Rejuvenating Night Cream as potential irritants: Eucalyptus Globulus (Eucalyptus) Leaf Oil.

How is La Mer The NEW Rejuvenating Night Cream scored?

DemythSkin grades every product on two independent axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.

Analyze on DemythSkin

Analysis last updated: 2026-08-06. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.