Retrô Cosméticos Mona & Lisa Shower Botox Hair Mask – Reduces Volume, Smooths Frizz & Adds Shine – 1.76 oz (50 g) Sachet (Choose Pack Size: Single, 3-Pack, 5-Pack or 10-Pack)
- Helps reduce volume and the appearance of frizz on hair of any type.
- Leaves lengths looking aligned and disciplined after blow-drying and flat-ironing.
- Adds the glossy finish that comes from a smoother-looking cuticle.
- Conditions the fibre with hydrolyzed rice protein and keratin during the process.
People with voluminous, frizzy or unruly hair who want a salon-style smoothing ritual they can do at home, and stylists who want a controlled single-dose format. It is not indicated for children or for pregnant and nursing women, and it should never be applied to an irritated or broken scalp.
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- Made in Brazil by Retrô Cosméticos, part of Grupo Felps, and regularized with ANVISA.
- Built on a blend of natural acids activated by heat, plus hydrolyzed rice protein.
- Sold as a sealed single-dose 1.76 oz (50 g) sachet, with 3, 5 and 10-pack options.
- The brand carries PETA's Global Animal Test Policy approval.
Run a sensitivity test behind the ear 2 hours ahead and a strand test before the full application. Wash the hair twice to remove oil and towel-dry. Wearing gloves, apply the sachet from 1 cm below the roots to the ends, section by section, and leave on for 20 minutes. Rinse until fully removed, blow-dry, then flat-iron in continuous gliding movements from root to tip. Very long hair may need two sachets.
- Sealed single-dose sachet of 1.76 oz (50 g) with a thick, creamy mask texture; the label is printed in Portuguese and English.
- The Pack Size option only changes how many identical sachets you receive, not the formula or the sachet size.
The acid blend does the shaping work, but only once heat is applied — which is why the blow-dry and flat-iron steps are part of the method rather than an optional finish. While the acids act, the conditioning base of cetearyl alcohol and behentrimonium methosulfate keeps the mask spreadable and coats every strand evenly, and hydrolyzed rice protein plus keratin stay behind on the fibre so the smoother result also feels padded rather than stripped. Glycerin holds moisture through the process, which is what stops the finish from looking flat.
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Meet the Retrô Cosméticos Mona & Lisa Shower Botox Hair Mask – 1.76 oz (50 g), the single-dose sachet that brings a salon-style smoothing ritual into your own shower. Its active principle is a blend of natural acids that prepares the hair to be thermally activated, so lengths come out disciplined, aligned and carrying the intense shine of a tightly sealed cuticle.
Hydrolyzed rice protein works alongside the acid blend and a conditioning base of behentrimonium methosulfate and cetearyl alcohol, so the fibre feels softer and looks fuller of body rather than merely flattened. The result is a lightweight kind of smoothness — volume and frizz visibly reduced, movement kept.
Because it comes in a sealed single-use sachet, there is no jar to store and no guesswork about dosage: open, apply, rinse, blow-dry and flat-iron. Choose the pack size that matches your routine — a single sachet to try it, or a 3, 5 or 10-pack once it becomes part of your monthly ritual. Very long hair may need two sachets per application.
Key Features:
- Blend of natural acids: the smoothing system is thermally activated with a dryer and flat iron for a disciplined, aligned finish.
- Hydrolyzed rice protein: helps reinforce the look and feel of lengths that have been weakened by heat and styling.
- Helps reduce volume and frizz: leaves the cuticle looking smoother, so hair sits closer and behaves for longer between washes.
- Intense shine: sealed-looking cuticles reflect more light, which is where the glossy, just-left-the-salon look comes from.
- Single-dose sachet: 1.76 oz (50 g) of product per sachet, sealed and travel-friendly, with no leftover jar.
- Four pack sizes: single sachet, 3-pack, 5-pack or 10-pack, so you can buy exactly what your routine needs.
- PETA-approved brand: Retrô Cosméticos carries PETA's Global Animal Test Policy approval.
How To Use
Professional Use Recommended.
- Patch and strand test: before anything else, apply a little product behind the ear with a cotton bud and wait 2 hours without washing. If redness or itching appears, do not use. Always run a strand test on a small section first.
- Wash: shampoo the hair and repeat to remove as much oil as possible, then towel-dry.
- Apply: wearing gloves, work the mask from 1 cm below the roots to the ends, section by section, coating every strand. Very long hair may need two sachets.
- Leave on: let it act for 20 minutes.
- Rinse: rinse until all product is removed.
- Activate: blow-dry, then flat-iron in continuous gliding movements from root to tip, never resting the iron on one spot.
Expert Tip: when you want the same smoothing effect on a full-length, longer-lasting scale, step up to the Retrô Cosméticos Mona & Lisa Progressive Smoothing Treatment (10.1 fl oz / 300 ml) — the same Mona & Lisa acid philosophy in a professional brush-on format.
Ingredients (Highlights)
- Glyoxylic Acid: the acid at the centre of the smoothing system, activated by heat to help lengths lie aligned and frizz-free.
- Hydrolyzed Rice Protein: small plant-protein fragments that settle on the fibre and help it look and feel more resistant.
- Keratin: a hair protein used to help fill in the look of a porous, roughed-up cuticle.
- Behentrimonium Methosulfate & Cetearyl Alcohol: the conditioning pair that gives the mask its slip and makes it easy to distribute strand by strand.
- Glycerin: a classic humectant that helps hair hold on to moisture during the process.
Full Ingredient List (INCI): Aqua, Cetearyl Alcohol, Cetrimonium Chloride, Propylene Glycol, Cyclopentasiloxane, Behentrimonium Methosulfate, Glycerin / DMDM Hydantoin / Phenoxyethanol / Dipotassium EDTA / Keratin, Hydrolyzed Rice Protein, Ceteareth-20, Parfum / Linalool, Glyoxylic acid / Glyoxal, Methylchloroisothiazolinone + Methylisothiazolinone, Disodium EDTA.
Allergen warnings / usage cautions: This is a chemical smoothing product and professional application is recommended. Always carry out a sensitivity test behind the ear 2 hours before use and a strand test before the full service. Wear gloves throughout the application, work in a well-ventilated room, and keep the flat iron moving to avoid concentrated heat and fumes. Do not apply if the scalp is irritated or broken, and keep the product 1 cm away from the roots. Not to be used by children, pregnant or nursing women. For external use only; keep out of reach of children. If swallowed, seek medical help, and if it reaches the eyes, rinse immediately with plenty of water. The formula contains the fragrance allergen Linalool, the preservative pair Methylchloroisothiazolinone + Methylisothiazolinone, and DMDM Hydantoin, a formaldehyde-releasing preservative that is restricted in the European Union.
Welcome to the world of Retrô Cosméticos, a Brazilian haircare brand founded in 2017 and part of Grupo Felps. The brand describes itself as a keeper of stories, pairing the charm of the past with present-day technology, and turns olfactory, sensory and visual memories into beauty rituals. Its lines carry playful, nostalgic names — Mona & Lisa, Blond Angel, Alô É Vera!, Poder dos Cachos, Liso Magia, Mandioca 12-in-1 — and every formula is made in Brazil and regularized with ANVISA. The brand also carries PETA's Global Animal Test Policy approval.
FAQ
How do I use one sachet correctly?
Wash and towel-dry the hair, then apply the whole sachet from 1 cm below the roots to the ends, section by section. Leave it on for 20 minutes, rinse completely, blow-dry and flat-iron in gliding movements. Very long or very thick hair may need two sachets to coat every strand.
What is the difference between the Single, 3-Pack, 5-Pack and 10-Pack?
Only the number of sachets. Each sachet contains the same 1.76 oz (50 g) of product, so the multipacks are simply a more convenient way to buy the applications you already plan to do.
Is this an authentic Brazilian product?
Yes. It is made in Brazil for Retrô Cosméticos and sourced directly, so you receive the original Brazilian retail sachet with its Portuguese and English label.
Which hair types is it for?
The label states it suits all hair types. It is aimed at hair with volume and frizz that you want to see aligned and glossier. It is not indicated for children or for pregnant and nursing women, and it should never be applied to an irritated or broken scalp.
Do you ship internationally, and can I return it?
Yes — we ship worldwide from our Brazilian sourcing network, and unopened items can be returned under our standard returns policy. Tracking is provided on every order.
Explore more at our Retrô Cosméticos collection.