Smooth Sea Serum

By Mukk

Where to buy Possibly in stock

About this product

The By Mukk Smooth Sea Serum is a serums, essence, ampoule. Our analysis of its 11 ingredients (7 low-risk) rates it Excellent (92/100). Based on its ingredients, it looks well-suited to dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
11
Low-risk
7
Fragrance
Fragrance-free
Origin
Estonia
Data updated
May 2026

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe Minimal Ingredients

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 2/1
Good for dry skin
Glycerin Lactic Acid
Caution for dry skin
Glycerin
Oily/Acne-Prone Skin No data
Sensitive Skin 1/2
Good for sensitive skin
Glycerin
Caution for sensitive skin
Glycerin Lactic Acid

Ingredients list

11 total
Lower hazard (1) Higher hazard (4)
All11 Skin Conditioning9 Solvent3 Fragrance3 Humectant3 Hair Conditioning2 Buffering Agent1 Skin-Conditioning Agent -Humectant1 Ph Adjuster1
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
2
A
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent)
Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
Maris Sal
(Skin Conditioning)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
Lactobacillus Ferment
(Skin Conditioning)
CYAMOPSIS TETRAGONOLOBA GUM
(Binding, Emulsion Stabilising, Film Forming, Fragrance, Viscosity Controlling)
1
Sodium Levulinate
(Skin Conditioning)
4
Disodium Acetyl Glucosamine Phosphate
(Skin Conditioning)
1
Sodium Anisate
(Antimicrobial, Flavoring Agent)
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin

My Ingredient Notes

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Key ingredients

Niacinamide
Strengthens, smooths, and brightens skin.

Benefits

Barrier RepairStrengthen and restore your skin's natural barrier.
Redness ReducingSoothes visible redness and calms irritation.
Scar HealingImproves the look of marks and scars.
Acne FightingFights acne and helps prevent breakouts.
Anti-AgingSoftens lines and helps skin look youthful.
HydratingBoosts hydration and relieves dry, tight skin.
BrighteningRestores radiance to dull, tired skin.
Reduces IrritationEases discomfort and supports skin resilience.

Concerns

Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Maris Sal
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Lactobacillus Ferment
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
CYAMOPSIS TETRAGONOLOBA GUM
Binding, Emulsion stabilising
Limited public safety data.Read moreShow less
EWG N/A BindingEmulsion stabilisingFilm formingFragranceViscosity controlling
Sodium Levulinate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Disodium Acetyl Glucosamine Phosphate
Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 4 Skin conditioning
Sodium Anisate
Antimicrobial, Flavoring agent
Low-hazard ingredient.Read moreShow less
EWG 1 AntimicrobialFlavoring agent
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 3 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Lactic Acid

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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