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Day + Night Serum Duo

plumping + resurfacing duo

Day + Night Serum Duo has a rating of 4.8 stars based on 184 reviews.

Perfect for

Hydrating + Resurfacing

A multi-tasking day + night serum duo ($108 value) that resurfaces, hydrates and plumps skin for a healthy glow, 24/7.

Duo includes:

Filling Good hyaluronic acid plumping day serum 30 ml, 1 fl. oz
Honeymoon Glow 14% AHA night resurfacing serum 30 ml, 1 fl. oz

Why We Love It

Next-generation technology. Filling Good skin-plumping serum features full-spectrum hyaluronic acid of different molecular weights to penetrate all levels of the skin—even the deepest layers—instantly and long-term to deliver maximum hydration.

Instantly smooths fine lines. A face wrinkle filler like no other, encapsulated thyme extract was found to visibly reduce smile lines and crow’s feet after just 60 days in a clinical study!

Resurfaces dull skin. Honeymoon Glow features a blend of AHA from lactic, glycolic, citric and fruit acids that exfoliate dead skin cells, promoting cell renewal, targeting hyperpigmentation and helping reduce the appearance of fine lines and wrinkles.

Refines pores. BHA from willow bark, a natural source of salicylic acid, helps visibly diminish pore size.

Let's Recycle

  1. Rinse + dry. 
  2. Remove caps + recycle what you can. Remember, recycling rules vary by city, so don’t forget your check + follow your local rules.
  3. Send caps, pump parts, + anything else to us. To recycle via our Empties program, please use this link to obtain a label.

The Ingredients

Key Ingredients

Multi-Molecular Hyaluronic Acid: Full-spectrum multi-molecular hyaluronic acid that penetrates the skin at different levels for maximum plumping and hydration—instantly and long term.

Encapsulated Thyme Extract: A lipo-filling encapsulated active that in a clinical study reduced smile lines and crow’s feet after just 60 days.

Vegan Collagen Peptide: A fermentation-derived collagen peptide that’s been shown to be 200x more effective than marine collagen.

Amino acids:Visibly firms and moisturizes skin for a radiant, youthful-looking appearance.

10% AHA Blend: Lactic, glycolic, citric and fruit acids exfoliate dead skin cells, promote cell renewal, target hyperpigmentation and help reduce the appearance of pores, fine lines and wrinkles.

3% Flower Acids Blend:Hibiscus flower extract gently exfoliates while moisturizing skin.

Click or tap an ingredient to learn more.

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How to Use

Honeymoon Glow

Apply a layer to clean skin at night, avoiding eyes and lips. Use 2-3 times a week. Slight tingling may be experienced.

Filling Good

Apply to clean skin AM + PM. Follow with a moisturizer to lock in goodness. Avoid direct contact with eyes.

Key Ingredients

1% BHA
Hyaluronic Acid
Proprietary Honey Blend

Customer Reviews


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Clean Commandments

  • Paraben Free
  • Formaldehyde Donor Free
  • Synthetic Fragrance Free
  • Phthalate Free
  • Mineral Oil Free
  • Cruelty Free