FAS The Black AC Oil Serum 30ml

About Product

FAS The Black AC Oil Serum – Fermented Vitamin Oil Serum for Firm Radiant Skin

Experience the fusion of advanced fermentation science and multi-layer vitamin care with FAS The Black AC Oil Serum, a luxurious Japanese oil serum designed to visibly improve firmness, glow, hydration, and pore appearance for adult skin.

Formulated with 31% Black Rice Ferment, two types of Vitamin A derivatives, and two types of Vitamin C derivatives, this lightweight fast-absorbing oil serum delivers deep nourishment without heaviness, helping reveal smooth, plump, radiant skin.

✨ Fermentation Science × Vitamin Skincare

FAS created The Black AC Oil Serum to address:

• Loss of firmness
• Dullness
• Visible pores
• Dryness
• Lack of glow
• Mature skin concerns

By combining:

👉 Fermented skincare technology + multi-layer vitamin delivery.

The result:

👉 Firm, luminous, deeply nourished skin with refined texture.

🌾 31% FAS Black Rice Ferment

The formula contains:

👉 31% Black Rice Ferment Extract

FAS’s signature ingredient developed from ancient black rice grown in Kyoto’s Kyotango region.

Through carefully controlled fermentation using specially selected low-alcohol yeast, FAS created:

👉 738 types of low-molecular fermentation-derived nutrients

Including:

• Peptides
• Polyphenols
• Amino acids
• Vitamins
• Anthocyanins

Helping support:

• Moisture retention
• Elasticity appearance
• Skin vitality
• Healthy glow

Ingredient:
Saccharomyces/Rice Ferment Filtrate

💛 Two Types of Vitamin A Derivatives

The serum contains:

👉 Two Vitamin A derivatives

Including:

• Retinyl Palmitate
• Hydrogenated Retinol

Helping support:

✔ Firmness
✔ Smooth skin texture
✔ Elasticity appearance
✔ Healthy radiant glow

Unlike heavy retinol treatments, FAS balances Vitamin A with fermentation technology for a comfortable nourishing experience.

🍋 Two Types of Vitamin C Derivatives

The formula combines both:

• Oil-soluble Vitamin C
• Water-soluble Vitamin C

for gradual layered delivery.

Ingredients include:

• Tetrahexyldecyl Ascorbate
• Disodium Isostearyl Ascorbyl Phosphate

Helping support:

✔ Brightness
✔ Firmness appearance
✔ Smooth texture
✔ Refined pore appearance
✔ Hydration glow

✨ Designed for Pores & Loss of Firmness

FAS specifically formulated this serum to help improve:

• Visible pore concerns
• Loss of bounce and elasticity
• Dull uneven texture
• Dryness-related roughness
• Tired-looking skin

Leaving skin appearing:

👉 Plump, glossy, and resilient.

💧 Fast-Absorbing Lightweight Oil Texture

Despite being an oil serum, the texture feels:

✔ Lightweight
✔ Smooth
✔ Non-heavy
✔ Fast-absorbing

The formula melts into the skin quickly, creating:

👉 A deeply nourished glow without greasy residue.

Users often describe it as:

👉 “An oil that disappears beautifully into the skin.”

🌟 Layering Step for Enhanced Glow

FAS recommends using the serum:

👉 Between essence and cream

to help replenish skin with concentrated nourishing ingredients.

This layering step helps enhance:

• Firmness
• Glow
• Hydration retention
• Smooth texture

🌿 Elegant Herbal Citrus Aroma

Like other FAS skincare products, the serum features a refined scent inspired by Kyoto nature.

The elegant aromatic profile creates:

👉 A calming luxurious skincare ritual experience.

🌟 Key Benefits

• Japanese fermented oil serum
• Vitamin A & Vitamin C serum
• Lightweight non-greasy facial oil
• Firmness and glow care
• Pore-refining hydration
• Fast-absorbing texture

🎯 Ideal For

• Dull mature skin
• Loss of firmness
• Enlarged-looking pores
• Dry dehydrated skin
• Fans of Japanese fermented skincare
• Users wanting glow without heaviness

🧴 How to Use

Step 1

After essence or lotion, dispense one dropper-full into the hands.

Step 2

Gently smooth across the entire face.

Step 3

Press lightly into the skin until absorbed.

Step 4

Follow with cream if desired.

Use morning and evening.

📦 Product Details

• Fermented vitamin oil serum
• 31% black rice ferment
• Vitamin A + Vitamin C complex
• Made in Japan