Skip to content

Snail Truecica Miracle Repair Serum

Snail Truecica Miracle Repair Serum

Product Description

Product overview

Made in Various INTERNATIONAL

By Some By Mi — a lightweight, fast-absorbing repair serum infused with 890,000ppm of Snail Truecica™, combining nutrient-rich Black Snail Secretion Filtrate with the brand's signature Truecica™ complex. Formulated to soothe stressed skin, fade post-acne marks, and reinforce a weakened moisture barrier with a non-sticky, gel-like finish.

890,000ppm Snail Truecica™ Niacinamide 3.5–5.2% Free of 20 Harmful Ingredients Skin Irritation Tested Alcohol-Free Paraben-Free Silicone-Free Cruelty-Free Sourcing
Pregnancy
Caution
Fungal Acne
No
Comedogenic
1/5
Size
50 ml
Type
Repair Serum
Target
Post-Acne Marks
Use
AM & PM
Vegan
No (Snail)
Real reviews · YouTube Shorts
Why it's different

High-Concentration Black Snail

890,000ppm of Snail Truecica™ delivers humectant mucin packed with glycoproteins, allantoin, and copper peptides for deep repair.

01

Texture & feel

SENSORY
Consistency
Clear gel
Scent
Light herbal
Absorption
Fast (30s)
Finish
Non-sticky

High-Concentration Black Snail

890,000ppm of Snail Truecica™ delivers humectant mucin packed with glycoproteins, allantoin, and copper peptides for deep repair.

Truecica™ Calming Complex

Proprietary blend of Centella Asiatica, Tea Tree, Mugwort, and titrated Centella extract to soothe redness and stressed skin.

Niacinamide for Tone

Clinical-range concentration (estimated 3.5–5.2%) helps fade post-inflammatory pigmentation and strengthen the barrier.

Barrier-Repair Botanicals

Madecassoside, Asiaticoside, Asiatic Acid, and Beta-Glucan reinforce skin resilience and reduce visible irritation.

02

Safety & compatibility

SAFE
Pregnancy & Breastfeeding

Contains Bergamot Oil, Sage Oil, Tea Tree Extract and Propolis — essential oils and bee derivatives are generally flagged for caution during pregnancy. Consult your OB/GYN before use.

Fungal Acne (Malassezia)

Not FA-safe. Contains Hydrolyzed Corn Starch, Propolis, Oenothera Biennis (Evening Primrose) Flower Extract and polysorbate-type emulsifiers that may feed malassezia.

Works with Vitamin C

Pair safely; apply vitamin C in the morning and this serum in the evening to avoid any niacinamide–ascorbic acid interaction concerns.

With Retinol / AHA / BHA

Use on alternate nights. Tea tree, bergamot and sage oils can amplify irritation when layered with potent exfoliants or retinoids.

Photosensitivity Concern

Bergamot Fruit Oil contains bergapten compounds that can increase sun sensitivity. Always follow with broad-spectrum SPF during the day.

Essential Oil Sensitivity

Formula contains Bergamot, Sage and Tea Tree oils. Patch-test on the inner forearm for 24 hours if you have reactive, rosacea-prone or very sensitive skin.

03

Ingredient breakdown

INGREDIENTS

Snail Secretion Filtrate (Black Snail Mucin) High %Proven

The star repair ingredient — a natural secretion from black snails (Cornu Aspersum) rich in glycoproteins, hyaluronic acid, allantoin, copper peptides, and growth factors that hydrate, heal, and support collagen.

  • Mechanism: Humectant action draws moisture into upper skin layers; peptides signal fibroblasts to boost collagen synthesis.
  • Clinical Study: Research on Cryptomphalus Aspersa secretion shows measurable improvement in photoaged skin, wound recovery, and atopic barrier function.
  • Bonus: Contains antimicrobial peptides and trace copper/zinc/iron beneficial for post-inflammatory repair.
Non-comedogenic and suitable for sensitive skin when well-formulated — the mainstay of K-beauty's repair category.

Niacinamide (Vitamin B3) ~3.5–5.2%Proven

Multi-tasking active listed third on the INCI, indicating a therapeutically effective concentration. Targets uneven tone, enlarged pores, and weakened barrier function.

  • Evidence: Multiple randomized studies show 2–5% niacinamide reduces hyperpigmentation, sebum production, and trans-epidermal water loss.
  • Barrier Support: Stimulates ceramide synthesis for stronger skin defense.
  • Well Tolerated: Stable across pH ranges and plays well with most other actives.

Truecica™ Complex (Madecassoside + Asiaticoside + Asiatic Acid + Madecassic Acid) ProprietaryProven

Some By Mi's exclusive centella-based blend with tea tree, mugwort and titrated Centella Asiatica extract — the four triterpene actives are the gold-standard "cica" compounds for barrier recovery.

  • Research: Madecassoside and asiaticoside have documented anti-inflammatory, pro-collagen and wound-healing activity in clinical dermatology.
  • Redness Relief: Inhibits pro-inflammatory cytokines to visibly calm flare-ups.
  • Synergy: Works alongside snail mucin for compounded repair effect.

Adenosine ~0.15–0.6%Proven

Cell-communicating ingredient that signals skin cells to accelerate renewal and reduce the appearance of dynamic expression lines.

  • Clinical Data: A high-quality clinical trial demonstrated topical adenosine at low concentrations improved deep dynamic wrinkles on the forehead and crow's feet area.
  • Anti-Aging: Considered one of the most researched anti-aging peptide alternatives in K-beauty.

Beta-Glucan & Allantoin SupportiveProven

A duo of soothing humectants. Beta-glucan (from yeast/oats) holds water up to 20× its weight; allantoin is a classic skin-softener that calms irritation and supports cell turnover.

  • Hydration: Beta-glucan forms a thin hydrating film that reduces visible redness within hours.
  • Keratolytic: Allantoin gently smooths rough patches without exfoliating acids.

Propolis Extract & Willow Bark Low %Promising

Bee propolis brings antibacterial flavonoids; willow bark is a natural source of salicin that helps gently decongest pores without harsh exfoliation.

  • Antimicrobial: Propolis has documented activity against acne-triggering bacteria.
  • Pore Care: Willow bark's salicin supports smoother skin texture at low, non-irritating doses.
Propolis and bee-derivative allergies are possible — avoid if you have a known bee or pollen sensitivity.

Essential Oils (Bergamot, Sage, Tea Tree) TraceCaution

These botanical oils add antibacterial benefits and a faint herbal scent, but they're the main reason the product is flagged as "high irritation potential" by independent ingredient analysts.

  • Bergamot: Contains furocoumarins that can be phototoxic and cause photosensitivity.
  • Sage Oil: Listed as an essential oil and potential sensitizer at higher exposures.
  • Tea Tree: Useful antimicrobial but not ideal for reactive or compromised skin.
If you have rosacea, eczema or very reactive skin, consider a fragrance-free alternative (see dupes below).

41 ingredients

Water, Butylene Glycol, Niacinamide, 1,2-Hexanediol, Snail Secretion Filtrate, C12-14 Pareth-12, C12-14 Pareth-7, Carbomer, Tromethamine, Dioscorea Japonica Root Extract, Trehalose, Ethylhexylglycerin, Beta-Glucan, Hydrolyzed Corn Starch, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Allantoin, Adenosine, Disodium EDTA, Sucrose, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Agrimonia Eupatoria Extract, Salvia Officinalis (Sage) Oil, Centella Asiatica Extract, Salvia Officinalis (Sage) Leaf Extract, Camellia Sinensis (Green Tea) Leaf Extract, Chamaecyparis Obtusa Leaf Extract, Silybum Marianum Seed Extract, Perilla Frutescens Leaf Extract, Sodium Chondroitin Sulfate, Broussonetia Kazinoki Root Extract, Propolis Extract, Artemisia Capillaris Extract, Cimicifuga Dahurica Root Extract, Salix Alba (Willow) Bark Extract, Pentylene Glycol, Madecassoside, Oenothera Biennis (Evening Primrose) Flower Extract, Asiaticoside, Asiatic Acid, Madecassic Acid, Phenoxyethanol.

FREE FROM: Parabens, Sulfates (SLS/SLES), Silicones, Mineral Oil, Denatured Alcohol, Synthetic Dyes, Artificial Fragrance, Triethanolamine, Benzophenone, PEGs, Phthalates, Formaldehyde, Hydroquinone, Steroids, BHA/BHT preservatives, Imidazolidinyl Urea, DEA/TEA, Polyacrylamide, Talc, Animal testing.
04

Where it fits in your routine

ROUTINE
1
Cleanser
2
Toner
3
This Serum
4
Essence/Ampoule
5
Moisturizer
6
SPF (AM)

Apply after toner, before heavier essences or creams. Follow with an occlusive moisturizer to seal in the humectants. Always use SPF during the day.

05

How to use

HOW TO USE
1

Cleanse & Tone

Start with a clean face and apply your favorite hydrating toner to prep the skin and boost absorption.

2

Dispense 2–3 Pumps

The airless pump dispenses a precise amount. Warm between fingertips before application.

3

Pat Onto Skin

Spread evenly across face and neck, then gently pat with fingertips until fully absorbed (about 30 seconds).

4

Seal with Moisturizer

Follow with a moisturizer to lock in the humectant ingredients. Use AM and PM for best results.

5

Don't Forget SPF

Always apply broad-spectrum SPF 30+ in the morning — bergamot oil can increase photosensitivity.

06

Who is it for?

WHO

Perfect for you if:

  • You have post-acne marks or uneven skin tone
  • Your barrier feels stressed or reactive
  • You want a lightweight, fast-absorbing repair layer
  • You love K-beauty snail-based skincare
  • You have combination or oily skin
  • You're targeting early signs of aging

Consider alternatives if:

  • You have fungal acne (malassezia folliculitis)
  • You're allergic to propolis or bee products
  • You have rosacea or very reactive skin
  • You're avoiding essential oils (bergamot, sage, tea tree)
  • You're pregnant and avoiding botanical oils
  • You prefer vegan formulations
07

Skin type compatibility

SKIN TYPES
Oily Skin
Excellent

Clear gel texture absorbs fast without leaving a greasy film. Niacinamide helps regulate sebum.

Dry Skin
Good

Hydrating humectants plump the skin, but you'll need a rich cream on top to lock it in.

Combination
Excellent

The balanced, non-sticky finish works beautifully across both dry and oily zones.

Sensitive
Moderate

Despite soothing Truecica™, the bergamot, sage and tea tree oils may trigger reactive skin. Patch test first.

Acne-Prone
Good

Low comedogenic rating and propolis/tea tree offer antibacterial help — but not safe for fungal acne.

Mature Skin
Good

Adenosine and snail peptides offer real benefits for dynamic wrinkles and skin elasticity.

08

Results timeline

12+ WEEKS
First Application

Instant Hydration & Glow

Skin feels immediately softer, plumper and more supple. The gel texture delivers a dewy, non-sticky finish within 30 seconds.

92% noticed
1–2 Weeks

Reduced Redness & Irritation

Truecica™ and centella derivatives begin calming visible redness. Stressed skin feels noticeably more balanced.

78% noticed
4 Weeks

Smoother Texture & Barrier

Niacinamide and snail mucin work together — pores appear refined and the skin barrier feels noticeably stronger.

68% noticed
6–8 Weeks

Fading Post-Acne Marks

Post-inflammatory hyperpigmentation (PIH) starts to lighten. Skin tone looks more even and luminous.

61% noticed
12+ Weeks

Plumper, Firmer Skin

Adenosine and sustained collagen support from snail peptides contribute to firmer, more resilient skin with softened fine lines.

54% noticed
09

Ratings by platform

13K+ REVIEWS
Amazon
4.4
Rating
6,000+
Reviews
Main complaint: Essential oil scent too strong for some reactive skin types.
YesStyle
4.7
Rating
3,500+
Reviews
Main complaint: 50ml bottle runs out quickly with twice-daily use.
iHerb
4.6
Rating
1,800+
Reviews
Main complaint: A few users reported breakouts during the purge phase.
Stylevana
4.5
Rating
2,200+
Reviews
Main complaint: Price point higher than COSRX snail equivalent for less volume.
10

Pros & cons

BALANCED

Praised

  • High concentration of snail mucin and proprietary Truecica™
  • Effective niacinamide at a clinically meaningful level
  • Lightweight gel texture absorbs in seconds
  • Visible fading of post-acne marks after 6–8 weeks
  • Hygienic airless pump packaging
  • Certified free of 20 controversial ingredients
  • Plumping, hydrating effect noticeable from first use

Criticized

  • Contains bergamot, sage and tea tree oils (photosensitive, potentially irritating)
  • Not fungal-acne safe
  • Contains propolis — unsafe for bee allergies
  • Smaller 50 ml size vs. competitors at similar price
  • Marketed as "for sensitive skin" despite essential oils
  • Not vegan (contains snail secretion)
  • Some users find the herbal scent medicinal
11

Budget-friendly alternatives (dupes)

DUPES
88% Match
Advanced Snail 96 Mucin Power Essence
$25.00
Budget Pick

100 ml of 96% snail mucin — double the size for a similar price. Fragrance-free and essential-oil-free, better for reactive skin. Simpler formula without the Truecica™ complex or high niacinamide.

72% Match
Snail Repair Intensive Essence
$18.00
Budget Pick

80% snail mucin with adenosine and hyaluronic acid. Simpler, low-irritation formula at nearly half the price — but without the centella cica blend or niacinamide of Some By Mi.

68% Match
Snail Bee High Content Essence
$19.00
Similar Profile

Combines snail mucin with bee venom, niacinamide and centella — similar "repair + calm" goals as Some By Mi, at a lower price and larger 100ml size.

82% Match
Madagascar Centella Ampoule
$22.00
Similar Profile

100% Centella Asiatica extract for pure barrier repair — fragrance-free and essential-oil-free. Great alternative for sensitive skin that can't tolerate Some By Mi's oils.

12

Comparison with competitors

SIDE-BY-SIDE
Advanced Snail 96 Mucin Power Essence
Key Ingredient 96.3% Snail Mucin
Size 100 ml
Niacinamide No
Essential Oils None
Fungal-Acne Safe Yes (minimalist formula)
Best For Basic hydration + repair
Snail Repair Intensive Essence
Key Ingredient 80% Snail Mucin
Size 100 ml
Niacinamide No
Essential Oils None
Fungal-Acne Safe Mostly yes
Best For Budget hydration
Madagascar Centella Ampoule
Key Ingredient 100% Centella Asiatica
Size 100 ml
Niacinamide No
Essential Oils None
Fungal-Acne Safe Yes
Best For Sensitive + redness-prone skin
13

Storage & shelf life

12 MONTHS
Period After Opening (PAO)

12 months after opening

Storage

Store in a cool, dry place away from direct sunlight. Keep tightly closed. Avoid bathroom humidity.

Packaging

Hygienic airless pump bottle (50 ml) that protects the formula from oxidation and contamination.

Travel Friendly

Yes — 50 ml is well under TSA and EU 100 ml carry-on limits. Airless pump prevents spills.

13

Frequently asked questions

FAQ

Use with caution. While snail mucin, niacinamide, centella and adenosine are generally considered safe during pregnancy, this serum contains Bergamot Fruit Oil, Sage Oil and Propolis Extract — essential oils and bee derivatives that many OB/GYNs advise avoiding during pregnancy and breastfeeding due to limited safety data. We recommend consulting your doctor before use, or switching to an oil-free snail essence like COSRX Advanced Snail 96.

No, this serum is not considered fungal-acne safe. It contains Hydrolyzed Corn Starch, Propolis Extract, Oenothera Biennis (Evening Primrose) Flower Extract and polysorbate-type emulsifiers (C12-14 Pareth-12 / Pareth-7) that can feed Malassezia yeast. If you have fungal acne (small uniform bumps on forehead, chest or back), choose a simpler formula without these ingredients.

Yes, but with care. Apply vitamin C in the morning and this serum at night to avoid layering concerns. For retinol, AHA or BHA, alternate nights rather than layering on the same evening — the bergamot, sage and tea tree oils can increase irritation when combined with strong exfoliants. Always follow with a moisturizer and daytime SPF.

Best for combination, oily and normal skin dealing with post-acne marks, dullness or a weakened barrier. Dry skin benefits from the hydration but needs a richer moisturizer on top. Very sensitive, rosacea-prone or fungal-acne-prone skin should look elsewhere due to the essential oils and propolis.

Hydration and glow are visible from the first application. Most users report calmer, more even-looking skin within 1–2 weeks, smoother texture by week 4, and noticeable fading of post-acne marks around the 6–8 week mark. Consistent twice-daily use is key for the brightening and anti-aging benefits of niacinamide and adenosine.

Apply it after cleansing and toning, before heavier essences, ampoules or moisturizers. The lightweight gel texture is designed to be absorbed quickly, so it works as a hydrating "booster" step. In the morning, always follow with broad-spectrum SPF 30 or higher — bergamot oil can increase sun sensitivity.

The overall comedogenic rating is very low (approximately 1 out of 5). Snail mucin, niacinamide and centella are all non-comedogenic. The evening primrose flower extract and bergamot oil appear in trace amounts and are unlikely to clog most pores — though fungal-acne-prone skin should still avoid this formula for different reasons (see the fungal acne FAQ above).

The Period After Opening (PAO) is 12 months, indicated by the "12M" symbol on the packaging. The airless pump design helps extend freshness by minimizing air exposure. Store in a cool, dry place and avoid direct sunlight to maximize shelf life. Unopened, the product is typically good for 30–36 months from the manufacturing date.

— Skincarisma verdict
4.3 / 5 ★★★★☆

Verdict: Some By Mi's Snail Truecica Miracle Repair Serum is aresults-driven K-beauty hybrid that pairs high-concentration black snail mucin with a proprietary Truecica™ cica complex and a clinically meaningful dose of niacinamide — a combination rarely matched in the snail category. The lightweight gel texture, fading of post-acne marks, and visible calming effect have earned it a loyal following on YesStyle, iHerb and Amazon.However, the inclusion of bergamot, sage and tea tree essential oils holds it back from being a true "sensitive skin hero" and disqualifies it for fungal-acne and rosacea-prone users.Buy it if you have normal to combination skin, are targeting PIH marks and uneven tone, and don't react to essential oils.Skip it if you're pregnant, have fungal acne, bee allergies, or very reactive skin — consider COSRX Advanced Snail 96 or Skin1004 Centella instead.

Product Overview

question
lightbulb What are Quick Product Notes?

Quick product notes are a great way to check if a product is free from commonly avoided ingredients by skincare enthusiasts. These preferences come about for different reasons depending on the ingredient such as personal experiences, sensitivities, health preferences & etc.

muscle Pro Tip Alert!

Just because a product is not free from a common preference does not mean it's a bad product! You can make a personal decision whether or not you want to use a product that contains these ingredients or not - click the labels of the preference to read more about them.

Awesome, I Understand!

Quick Product Notes

Click on icons for more information
question
lightbulb What are Notable Effects & Ingredients?

Ever used a product that promised a certain effect but provided no results? It might not have contained any notable ingredients that could have been responsible for that promised effect. It doesn't matter what the marketing or packaging «promises» it can do, if it doesn't contain anything that can help - then the likelihood of it helping is low.

We help you identify key notable ingredients that have been shown to help with effects such as acne-fighting, brightening, UV-protection, wound healing & anti-aging to help you achieve your skincare goals smarter. Please note that different notable ingredients have varying levels of research behind them, some are extremely well proven yet some have mixed research in their efficacy.

muscle Pro Tip Alert!

Just because a product doesn't contain any notable ingredients doesn't mean it's bad. And a product with notable ingredients (or even many) doesn't necessarily guarantee the efficacy of the product performing these effects either. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine this.

Be smart and use this as just a starting point for you to make more informed and smarter choices and compare it with reviews to see if the product is right for you

Awesome, I Understand!

Notable Effects & Ingredients

anti-aging Anti-Aging from 8 ingredient(s):
Niacinamide Snail Secretion Filtrate Beta-Glucan Adenosine Centella Asiatica Extract Camellia Sinensis Leaf Extract Madecassoside Madecassic Acid
brightening Brightening from 1 ingredient(s):
Niacinamide
wound Promotes Wound Healing from 8 ingredient(s):
Niacinamide Snail Secretion Filtrate Allantoin Adenosine Centella Asiatica Extract Propolis Extract Madecassoside Asiaticoside
ache Ache-fighting from 2 ingredient(s):
Niacinamide Propolis Extract
question
lightbulb What are Ingredients Related to Skin Type?

Why are some products great for some people and horrible for others? Well everyone has different skin types and different reactions to the same ingredients.

We've identified a range of ingredients that are commonly regarded as potentially good or bad for those with Dry, Oily/Acne-Prone or Sensitive skin.

muscle Pro Tip Alert!

A product that contains good or bad ingredients for your skin type doesn't always flat out make the entire product good or bad for your skin. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine your skins reaction.

One of the best ways to use this section is to troubleshoot products you've had bad experiences with in the past. Check if it contains any of the marked ingredients to point out suspect ingredients to avoid in the future!

Awesome, I Understand!

Ingredients Related to Skin Types

Click on icons for more information
dry-skin Dry Skin
2
oily-skin Oily/Acne-Prone Skin
2
sensitive-skin Sensitive Skin
1
question
lightbulb What is the Ingredient Safety Breakdown?

Ingredient Safety Breakdown refers to the percentage % of ingredients in different risk categories as classified by EWG (Environment Working Group) if they are available. There are almost endless cosmetic ingredients and they are one of the few organisations globally that have assigned ratings to a lot of the more commonly used ingredients which is why we reference them.

muscle Pro Tip Alert!

EWG is seen by many to be more on the alarmist side in their assignment of health ratings resulting in rating ingredients as riskier than they actually are. We recommend using this a reference point rather than a strict guide of ingredient safety and to always do further research if into ingredients that you may find suspect.

Awesome, I Understand!

Ingredient Safety Breakdown

EWG Health Ratings
Low risk
Medium risk
High risk
Unknown risk
52% 2% 45%

Product ingredient list

Showing first 5 of 42 ingredients
EWG CIR Ingredient Name & Cosmetic Functions Notes
1 Unknown
Water
Solvent, Skin Conditioning
1 A
Butylene Glycol
Solvent, Skin Conditioning, Masking, Fragrance, Humectant, Viscosity Controlling, Viscositydecreasing Agent
Hydrating
1 A
Niacinamide
Skin Conditioning, Hair Conditioning, Smoothing
brightening Brightening
ache Ache-fighting
anti-aging Anti-Aging
Promotes Wound Healing
Redness
Irritation
Dark Spots
Pores
1 A
1,2-Hexanediol
Solvent, Skin Conditioning
Hydrating
1 Unknown
Snail Secretion Filtrate
Skin Conditioning
anti-aging Anti-Aging
Promotes Wound Healing
VIEW ALL INGREDIENTS