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Flower Acid Algae Sérum

11% AHA + PHA resurfacing serum

Flower Acid Algae Sérum

(27)

Pre-Order — Ships starting on 11/26/2025

A 3-in-1 resurfacing serum that blends 11% lactic acid, PHA, and flower acids to gently exfoliate, refine look of pores, and improve skin clarity without drying out or compromising the skin barrier.

This product is on pre-order and not eligible for returns. All items in an order will ship together once pre-order items are ready to ship on. Learn More

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The Nighttime Set

The Nighttime Set is a simple 4-step routine created to cleanse, resurface, renew and hydrate for youthful-looking skin. This easy anti-aging routine is designed to simplify skin cycling -- on opposite nights, rotate between Algae Retinol Face Oil for anti-aging and skin clarity, and Flower Acid Algae Serum for smoother, brighter, younger-looking skin. Follow with Universal Face Oil.

Regular price  $324.00 Sale price  $260.00
What's Included
  • Algae Enzyme Cleansing Oil ($58.00)
  • Flower Acid Algae Sérum ($74.00)
  • 1.2% Algae Retinol Face Oil ($120.00)
  • Universal Face Oil ($72.00)

Clean at MARA • Cruelty Free • Vegan

Smoothness

Hydration

Anti-Aging

Description

Smoother, brighter, younger-looking skin, overnight.

A 3-in-1 exfoliating and hydrating AHA serum powered by 11% vegan lactic acid, gentle polyhydroxy acid (PHA), and bioactive flower acids. This advanced formula smooths uneven texture, clears congestion, and boosts radiance without compromising the skin barrier. Balanced with hydrating algae and mineral-rich French sea water, it leaves skin smoother, brighter, younger.

Why You’ll Love It
  • Safe for acne-prone and sensitive skin
  • Leaves skin glowing and hydrated
  • Pregnancy safe
How to Use
  1. Apply thin layer to clean skin morning and/or night
  2. Moisturize after with Universal Face Oil
Ingredients

Palmaria Palmata Extract, Lactic Acid, Aqua/Water/Eau, Pentylene Glycol, Caprylic/Capric Triglyceride, Cetearyl Olivate, Squalane, Silybum Marianum Seed Oil, Sorbitan Olivate, Glyceryl Caprylate, Glycerin, Sodium Stearoyl Glutamate, Sodium Hydroxide, 1,2-Hexanediol, Gluconolactone, Bellis Perennis (Daisy) Flower/Helichrysum Italicum Extract, Hibiscus Sabdariffa Flower Extract, Algae Extract, Gigartina Stellata Extract, Chondrus Crispus Extract, Haematococcus Pluvialis Extract, Avena Sativa (Oat) Kernel Extract, Salicornia Herbacea Extract, Limonium Gerberi Extract, Ribes Nigrum (Black Currant) Seed Oil, Oenothera Biennis (Evening Primrose) Oil, Borago Officinalis Seed Oil, Helianthus Annuus (Sunflower) Seed Oil, Sclerotium Gum,  Xanthan Gum, Caprylhydroxamic Acid,  Sodium Phytate, Potassium Sorbate, Citric Acid

Clinically Proven Results

98%

saw improvement in skin texture

96%

skin appears smoother

95%

skin appears more hydrated

In a Consumer Use Study of 22 Participants After 30 Days of Use of Flower Acid Algae Serum participants noticed an improvement in skin texture and hydration.

before
after

key ingredients

Flower Acid Algae Serum  with a white flower on a light blue background

key ingredients

Lactic Acid

Vegan lactice acid from beet sugar exfoliates and visibly improves blemishes and pores.

Flower Acid

Derived from daisy, hibiscus and everlasting flowers, these gentle acids brighten and dissolve texture to help improve signs of aging.

Plankton

Protects skin barrier and hydrates with phytonutrients to visibly plump and firm

PHA

Gentle exfoliant for sensitive skin.

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How to Use in Your Routine

Complete Hydration

model with cleansing oil in bikini
MARA Algae Enzyme Cleansing Oil, Universal Face Oil and SeaDream Creme on a reflective surface with a blue gradient background MARA Algae Enzyme Cleansing Oil, Universal Face Oil and SeaDream Creme on a reflective surface with a blue gradient background

Build Your 3-Step Routine

Choose one product from each of our core categories to build a custom routine for morning or night. Achieve youthful, glowing skin in just three steps.

Build My Set

Press

"Finally, a chemical exfoliant that won't dry you out."

Certified Plastic Neutral

Leaping Bunny Certified

1% For the Planet

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