AXXZIA AGTHEORY Smooth Mask

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size 5 masks
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The AGTHEORY Smooth Mask is the ultimate anti-aging treatment for women looking to restore hydration and firmness to their skin. Formulated with Rhododendron extract, this mask boosts collagen production, smooths fine lines, and enhances elasticity. Its unique fabric adheres closely to the skin, ensuring optimal absorption of active ingredients while allowing you to multitask. 

Key Benefits:

Boosts Hydration: Deeply moisturizes to restore skin’s natural suppleness.

Improves Elasticity: Increases firmness and reduces fine lines.

Anti-Inflammatory Properties: Rhododendron extract soothes irritated or aging skin.

Effortless Application: Thin, adhesive fabric allows multitasking while it works.

Key Ingredients:

・Rhododendron Extract: Increases skin elasticity, boosts collagen, and has anti-inflammatory properties for a soothing effect.

・Moisturizing Complex: Delivers intense hydration to combat dryness and maintain a youthful glow.

・Adhesive Mask Fabric: Ensures deep penetration of active ingredients for maximum effectiveness.

Usage Instructions:

1. Start with clean, dry skin.

2. Apply the mask to your face, ensuring it adheres fully.

3. Leave on for 10-15 minutes.

4. Remove and gently massage the remaining serum into your face, neck, and décolleté.

Dermatologist Approved: Safe for sensitive and mature skin.

Eco-Friendly Commitment: Free from harmful chemicals like ethanol, parabens, and synthetic colorants.

 FAQ:

・Can I use this mask on sensitive skin?

Yes, the formula is free from harsh chemicals and is safe for sensitive skin.

・How often should I use the AGTHEORY Smooth Mask?

For best results, use 2-3 times per week.

・Is the serum sticky after removal?

No, the serum absorbs quickly, leaving skin soft and smooth without residue.

・Can I wear the mask while moving around?

Absolutely! The thin, adhesive fabric ensures it stays in place, making it perfect for multitasking.

We ship internationally from our warehouse here in Tokyo. We use the services of third-party delivery service providers, namely, Japan Post (EMS) and Airmail, for shipping all the orders placed by our customers. View our entire policy here.

Every skin is different, therefore, no returns are accepted simply on the account that the product had an adverse reaction on your skin, or did not provide you any particular kind of results that you were expecting. However, you may initiate a return for the defective and damaged products purchased from the website within a period of7 (seven) days calculated from the order delivery date (“Return Period”). View our entire policy here.

Water, BG, Propanediol, DPG, Rhododendron Rusty Extract, Horse Chestnut Seed Extract, Plantain Seed Extract, Stonecrop Extract, Houttuynia Extract, Hawthorn Extract, Grape Fruit Extract, Roman Chamomile Flower Extract, White Mulberry Root Bark Extract, Pomegranate Peel Extract, Plum Fruit Extract, Sage Leaf Extract, Fennel Fruit Oil, Ascorbyl Glucoside, Sodium Tocopheryl Phosphate, Water-Soluble Collagen, Hydrolyzed Collagen, Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Dicalcium Glycyrrhizinate, Hydrolyzed Hydrogenated Starch, Glycosyl Trehalose, Trehalose, Glycerin, Glyceryl Glucoside, Bis-Ethoxy Diglycol Cyclohexane-1,4-Dicarboxylate, Citric Acid, Sodium Citrate, Carbomer, Pullulan, Xanthan Gum, Hydrogenated Castor Oil PEG-60, Caprylic/Capric Triglyceride, Pentylene Glycol, Ethylhexylglycerin, Potassium Hydroxide, EDTA-2Na, Phenoxyethanol, Fragrance.

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All our products come straight from the manufacturer to make sure you're getting the freshest stuff.

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We only use express delivery to make sure you get your skincare goodies in the shortest time possible.


Unlike generic beauty retailers, Beauty Ninja carefully curates only the most advanced and luxurious Japanese skincare. Every product is tested and approved for its effectiveness.

Have a question?

See some of our common FAQS below

Yes! We source all products directly from Japanese brands, ensuring 100% authenticity.

In Japan, expiration dates are usually not printed on cosmetics unless required (e.g., food or medicated products). However, we keep small stocks and order directly from manufacturers to ensure you get the freshest products. Most items have a shelf life of 2–3 years when stored properly in a cool, dry place away from direct sunlight.

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Orders ship within 1–5 business days (we often order directly from manufacturers to ensure freshness). Once shipped, delivery takes 5–10 days, but times may vary due to customs or other delays.

  • Free for orders over $250 USD
  • Flat rate $15 USD for all other orders.

We ship to over 60 countries, including the USA, UK, Australia, Canada, and most of Europe and Asia. See our shipping page for the full list.

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