Osmosis Catalyst AC 11

Osmosis Catalyst AC-11 Vitamin C Serum

Osmosis Catalyst AC-11 is a professional Vitamin C facial serum created for skin that looks dull, uneven, red or affected by visible signs of aging. Its antioxidant-focused formula helps the complexion look brighter, smoother and firmer while improving the appearance of uneven tone, pigmentation, redness and texture.

This concentrated serum fits easily into a professional home-care routine and can be used by a wide range of skin types. As with any cosmetic skincare product, individual results and tolerance can vary.

Product at a Glance

• Brand: Osmosis Beauty
• Product type: Vitamin C and antioxidant facial serum
• Size: 30 mL
• Best suited to: Aging, blemish-prone, dry, combination, oily and pigmented skin
• Primary cosmetic concerns: Dullness, uneven-looking tone, visible pigmentation, redness, fine lines and uneven texture

Why You’ll Love It

• Brightens the look of dull skin for a more radiant complexion.
• Visibly smooths uneven texture and helps soften the appearance of fine lines.
• Helps skin look firmer with consistent use as part of a complete routine.
• Improves the appearance of uneven tone, including visible pigmentation and post-blemish marks.
• Reduces the look of redness and visible capillaries without relying on harsh exfoliation.
• Layers easily with moisturizer and daytime sunscreen.

How to Use

Apply 1–2 pumps to clean skin in the morning and/or evening. If you use an Osmosis Activating Mist, spritz after applying the serum and gently massage it into the skin. Follow with any additional serums and a moisturizer. During the day, finish with a broad-spectrum sunscreen.

Introduce concentrated skincare gradually if your skin is sensitive. Avoid direct contact with the eyes, follow the directions on the package and stop using the product if persistent irritation develops. Ask your Sparkle skincare provider for help fitting Catalyst AC-11 into a routine that includes other active products or professional treatments.

Formula and Ingredients

The formula combines Vitamin C with amino acids, minerals, aloe, glycerin and antioxidant-supporting ingredients. Its natural colour may vary over time without changing how the product is intended to perform.

Ingredients: Water, Sodium Bicarbonate, Ketoglutaric Acid, Ascorbic Acid, Glycine, Propanediol, Proline, Lysine HCl, Aloe Barbadensis Leaf Juice, Hydroxypropyl Starch Phosphate, Alanine, Zinc Gluconate, Citrus Grandis (Grapefruit) Peel Oil, Glycerin, Copper Gluconate, Acetyl Cysteine, Tocopheryl Acetate, Aloe Barbadensis Leaf Juice Powder, Hydrogenated Phosphatidylcholine, Lonicera Caprifolium (Honeysuckle) Flower Extract, Lonicera Japonica (Honeysuckle) Flower Extract, Magnesium Chloride, Polyglyceryl-4 Caprate, Xanthan Gum, Benzyl Alcohol, Micrococcus Lysate, Potassium Sorbate and Fragrance.

Ingredient lists can change. Refer to the product packaging for the most current information, especially if you have known sensitivities or allergies.

Who Is Osmosis Catalyst AC-11 For?

Catalyst AC-11 may be a good fit if your goal is a brighter, smoother and more even-looking complexion. It is especially relevant for routines focused on:

• Visible pigmentation or uneven-looking tone
• Dullness and reduced radiance
• Fine lines and loss of visible firmness
• Redness or the appearance of broken capillaries
• Post-blemish marks and uneven texture
• Skin exposed to everyday environmental stressors

If you are pregnant, breastfeeding, managing a skin condition or receiving a professional treatment, ask your healthcare or skincare provider whether this product suits your current routine.

Osmosis Catalyst AC-11 Frequently Asked Questions

What is Osmosis Catalyst AC-11?

It is a concentrated Vitamin C and antioxidant facial serum from Osmosis Beauty. It is designed to visibly brighten, smooth and firm the complexion while improving the look of uneven tone, pigmentation, redness and texture.

Is Catalyst AC-11 suitable for every skin type?

Osmosis describes Catalyst as suitable for a broad range of skin types, including aging, blemish-prone, dry and pigmented skin. Your ideal frequency depends on your skin, the other products in your routine and your tolerance.

How often should I use Catalyst AC-11?

Apply 1–2 pumps in the morning and/or evening according to the package directions. If you are new to concentrated serums or have reactive skin, begin slowly and increase use only as tolerated.

Where does it go in my skincare routine?

Use it after cleansing and before moisturizer. If you use multiple serums, apply them in the order recommended by your skincare provider. Always complete a morning routine with broad-spectrum sunscreen.

Can I use it with retinoids, exfoliants or professional treatments?

Product combinations depend on your skin and treatment schedule. A Sparkle skincare provider can help you sequence Catalyst AC-11 with retinoids, exfoliating products, lasers, peels or other professional services while minimizing the chance of irritation.

What visible results can I expect?

With consistent use, skin may look brighter, smoother, firmer and more even in tone. Cosmetic skincare results vary and usually develop gradually rather than after a single application.

Why does the serum have a noticeable colour or scent?

The formula can have a natural colour and a noticeable scent, and its colour may vary over time. Check the package for storage instructions and contact Sparkle if the product’s appearance or condition concerns you.

How can I confirm it fits my routine?

Contact Sparkle Lifestyle & MediSpa or book a skin consultation. The team can review your skin goals, current products and professional treatments before recommending how to introduce Catalyst AC-11.