Help centre

Questions? We have answers.

Everything about ordering, shipping, returns and using MyoTape, GC MI Paste Plus and Tooth Mousse. Can't find it here? Write to info@myo-functional.com and we reply within one business day.

Orders and payment

Placing an order

How do I place an order?

Choose the product, size and pack, add it to the cart and go to checkout. You can check out as a guest or create an account to see your orders later. You receive an order confirmation by email straight away.

Which payment methods do you accept?

Credit and debit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, Google Pay and Shop Pay, plus MB WAY and Multibanco for customers in Portugal. Every payment is processed by Shopify Payments over a secure, encrypted connection; we never see your card details.

Can I change or cancel my order?

Orders paid before 12:00 (Lisbon time) are shipped the same day, so please email us as soon as possible with your order number. If the parcel has not left yet, we change or cancel it for free. If it has already shipped, you can return it under our 14-day withdrawal policy.

Do prices include VAT? Can I get an invoice?

Yes. All prices are in euros and include VAT for deliveries within the European Union. An invoice is issued for every order and sent to your email. If you need a VAT number on it, add it in the order notes at checkout or email us right after ordering.

Do you sell to clinics and professionals?

Yes. Dentists, orthodontists, myofunctional therapists and speech therapists can order directly from the shop. For larger quantities or recurring orders, email info@myo-functional.com and we will send you a quote.

Shipping and delivery

Getting your order to you

How much does shipping cost?

Portugal (mainland and islands) and Spain: €3.90, free from €60. Rest of Europe (Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Romania, Slovakia, Slovenia, Sweden, Switzerland and the United Kingdom): €9.90, free from €300. In Portugal you can also choose a CTT pickup point for €3.90. The exact cost is always shown at checkout before you pay.

When will my order ship and arrive?

Orders paid by 12:00 (Lisbon time) on a business day ship the same day; later orders ship the next business day. After shipping, delivery usually takes 1 to 3 business days in Portugal (a little longer for the Azores and Madeira), 2 to 4 in Spain and 3 to 7 in the rest of Europe.

How do I track my order?

As soon as your parcel ships you receive an email with the tracking number. Enter it on our Track my order page and we take you straight to the carrier's tracking. The number is also in your account, under your orders.

Do you ship outside Europe?

At the moment we only ship to the European countries listed in our shipping policy. If your country is not on the list, email us and we will tell you whether we can arrange it.

Will I pay customs duties?

Not within the European Union. For Iceland, Norway, Switzerland and the United Kingdom, import duties, local taxes and customs fees may apply and are charged to you by the carrier or customs.

My parcel arrived damaged or something is missing. What now?

Email us as soon as possible with your order number and, ideally, photos of the parcel and the products. We will replace what is damaged or missing, or refund you, at no cost to you.

Returns and refunds

Changed your mind?

Can I return a product?

Yes. You have 14 days from the day you receive your order to withdraw from the purchase without giving a reason, as provided by EU consumer law. Email info@myo-functional.com with your order number and the products you want to return, and we send you the instructions.

Are there products I cannot return?

For reasons of health protection and hygiene, products supplied in sealed packaging can only be returned if the seal has not been opened. This applies to MyoTape strips, MI Paste Plus, Tooth Mousse and other oral care products. Defective or wrongly delivered products can always be returned.

Who pays the return shipping?

If you simply change your mind, you pay the cost of sending the products back and we recommend a tracked service. If the product is defective, damaged or not the one you ordered, we pay the return costs.

When do I get my refund?

Within 14 days of telling us you want to return, to the same payment method you used, including the original standard shipping cost. We may wait until the products arrive back or you send us proof of posting. Your bank may need a few extra days to show it.

What if a product is faulty?

All products are covered by the legal guarantee of conformity of 3 years from delivery. Email us with photos and a short description and we will repair, replace or refund, as the law provides.

Can I exchange for another size?

Yes, if the pack is still sealed. Return the original following the steps above and place a new order for the size you need. If you are unsure which size to pick, measure your mouth first with our size guide, or email us your measurement.

MyoTape

Using MyoTape

How is MyoTape different from other mouth tapes?

Most mouth tapes go across the lips. MyoTape goes around them. The elastic strip keeps your lips gently together so you breathe through your nose, and the open centre means your mouth is never sealed: you can still talk, cough or sip water.

Which size should I choose?

Large fits most men and about half of women. Medium suits teenagers and smaller faces. Small is for children from 4. Measure your mouth from corner to corner with your lips relaxed: over 50 mm is Large, 42 to 55 mm is Medium, under 47 mm is Small. Every product page has the full size guide.

From what age can children use it?

From 4 years old, as long as the child can take the strip off alone and an adult is present. Start during the day, 30 minutes to 2 hours while the child is calm and busy. Talk to your doctor before using it during sleep.

Is MyoTape a treatment for sleep apnoea or snoring?

MyoTape supports nasal breathing during sleep and can reduce snoring caused by mouth breathing. It is not a treatment for sleep apnoea and does not replace CPAP. If you have been diagnosed, or think you might have it, speak to your doctor first.

How long should I use it?

Changing a breathing habit usually takes 60 to 90 nights of regular use, which is why the three-month pack is the one we recommend. Use a new strip every night.

I have a beard or sensitive skin. Which version do I need?

With a beard or moustache, choose MyoTape for Beards: its adhesive is made to hold on facial hair. If your skin goes red or itchy with standard tape, choose MyoTape Sensitive Skin, which has a gentler adhesive and the same open design.

Who should not use MyoTape?

Do not use it after alcohol, drugs or sedative medication, if you feel sick or may vomit, or if you cannot breathe comfortably through your nose. It is not suitable for children under 4.

GC MI Paste Plus and Tooth Mousse

Using the GC creams

What is the difference between MI Paste Plus and Tooth Mousse?

Both are remineralising creams built on RECALDENT (CPP-ACP), which delivers calcium and phosphate to the enamel. MI Paste Plus adds 900 ppm fluoride and is for ages 6 and over. Tooth Mousse is fluoride-free and suits all ages, including young children. If your dentist recommended one of them, go with that.

Are they toothpastes?

No. They are topical creams you apply after brushing and leave on the teeth: a pea-sized amount spread over all tooth surfaces, left for 3 minutes, then spit out without rinsing. Keep brushing with your normal toothpaste.

I am allergic to milk. Can I use them?

No. RECALDENT is derived from milk protein, so neither cream is suitable for people with a milk protein allergy. They are also not recommended if you are sensitive to benzoate preservatives. Lactose intolerance is a different thing, but check with your dentist if unsure.

Can I use them with braces or aligners?

Yes. They are often recommended during orthodontic treatment to protect against white spots. With aligners, your dentist may suggest applying the cream inside the aligner.

Which flavour should I pick?

All five flavours have the same formula. Mint is the most neutral; Melon, Strawberry, Vanilla and Tutti Frutti are milder and popular with children and anyone who dislikes strong mint.

How long does a tube last?

Used once a day, a 35 ml tube typically lasts several weeks.

Account and contact

Getting in touch

Do I need an account to order?

No, you can check out as a guest. An account lets you see your orders and tracking numbers in one place and reorder faster.

How can I contact you?

By email at info@myo-functional.com. We answer on business days, usually within one business day. Please include your order number if your question is about an order.

Who is behind Myo Functional?

Myo Functional is operated by Rule's Scape Lda, based in Viana do Castelo, Portugal. We sell genuine MyoTape and GC Dental products and ship from Portugal to all of Europe.

How do I make a complaint?

Write to us first and we will do our best to solve it. You can also use the Portuguese Electronic Complaints Book at livroreclamacoes.pt. For alternative dispute resolution, see our Terms of Service.