Techniblock Sunscreen - a clear aerosol spray, non-greasy, unscented, fast drying, high protection
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Frequently Asked Questions

Techniblock and Caring for your Clothes

The tried and trusted formula of Techniblock Sunscreen was improved in 2013 in order to conform with EU regulations.  It now offers even better UVA and UVB protection and is fully COLIPA compliant.  It is still non-sticky, fast drying, very water resistant and quick and easy to apply.  However, customers should be aware that UVA filters are yellow in colour and the higher the SPF, the more UVA filters are needed.  As a result, there is a risk that some staining will occur on white or light clothing.  In order to minimise this risk, we recommend that users do not apply the spray whilst wearing clothes and that the spray is allowed to dry fully before dressing.  Once Techniblock has been showered off, there will be no transference to towels, linen or clothing.

If staining does occur, we recommend using Vanish Gold to remove.

Although lotions and creams carry less risk of staining because the UVA filters are encapsulated in emulsions or oils, they are generally more greasy and do not last as long as Techniblock.  Because Techniblock is an aerosol that delivers the filters in ethanol. this makes it a much longer lasting and water resistant product and unlike some brands that stains heavily and requires the user to wait before going in to the sun, Techniblock provides instant protection.  It's also good value for money. A large 340ml can of SPF 30 is £20, compared to other spray sun creams that are £20 for 150ml.

The change in formula has come about in order to conform with EU regulations for sun protection.

Is Techniblock suitable for very sensitive skins?

Yes, Techniblock is specifically marketed as being very suitable for fair and sensitive skins, prone to prickly heat and skin rashes.  However, Techniblock is not a "cure" for prickly heat but, because it does not contain oils, emulsifiers or lanolin, it will not block pores in the same way that traditional sun lotions and sun creams do.  The ingredients that prevent burning are delivered in an ethanol spray that dries instantly on the skin, leaving behind an invisible barrier that is cool and breathable and, therefore, using Techniblock can greatly reduce or even eradicate the symptoms of prickly heat.

What about Expiry Dates?

For many years, Techniblock cans did not carry an expiry date because the formula has an indefinite shelf life.  This is because the product is packaged in a sealed and pressurised container and does not contain oils and emulsifiers.  More recently, in order that the manufacturers are complying with South African legislation and as part of their association with the Medical Control Centre, they have started to introduce expiry dates of up to 3 years.  However, stability tests have shown that product is still uncompromised and fully effective for up to one year beyond any expiry date so there is no need to discard "out of date" cans because they will still provide high quality, fully effective protection against the sun.

What are the ingredients in Techniblock?

Techniblock is a CFC-free spray and the active ingredients to prevent you from burning are delivered in ethanol, which evaporates on the skin, leaving behind just what is needed to protect you from burning.  Techniblock is made up of four active ingredients which gives the product broad-spectrum protection against both UVA and UVB.  Many suncare products do not have this broad protection and do not, therefore, provide full protection against the harmful effects of the sun.  Techniblock has Benzophenone, Padimate, Methoxycinnamate (10%) and Methoxydibenzoylmethane in it and all these ingredients are widely used in the development and production of suncare products.  They are approved for use under the COLIPA testing method.  Benzopheone is one of the few substances that protects effectively against UVA radiation and products with the ingredient Methoxydibenzoylmethane provide full, broad-spectrum sun protection.  Other ingredients include Alcohol Denat, Aqua, Butane, Diethylamino Hydroxybenzoyl Hexyl Benzoate (2%), Ethylhexyl Dimethyl Paba (8.19%), Glycerin, Octyldodecanol, Polysorbate 20, Propane and Oxybenzone.  All percentages are within the registration limits for Europe.

Do I put moisturiser and insect repellent on before or after I apply Techniblock?

Techniblock should be applied to the skin before any moisturiser or insect repellent to ensure that the SPF is not compromised.  You should wait at least two minutes after applying Techniblock to ensure it is absorbed properly before putting on moisturiser or repellent.  Techniblock is not always suitable for use on the face for all skin types.  Those with oily skin should consider using a dry lotion sunscreen and reserve Techniblock for the body only.

What is Broad-Spectrum Protection?

Broad-spectrum sunscreens block out UVA rays as well as UVB.  UVA are the rays that potentially cause skin cancer and long-term damage; UVB are the rays that will burn the skin and give you short-term damage.

Will I get a suntan if I use a sunscreen with a high SPF?

Yes.  An SPF15 sunscreen filters out 93% of UVB radiation, while an SPF40 sunscreen filters out 98%.  It is a common misconception that SPF30 offers more than double the protection of SPF15 and, as a result, will block out the sun more thoroughly.  This is untrue.  No sunscreen, no matter how high the factor, can provide 100% protection and no sunscreen, whether it's factor 15 or 50, will provide the protection it claims unless it is applied properly.  It is impossible to compensate for too thin a layer by increasing the factor you use.  Therefore, it is crucial that you apply sunscreen generously.

What does SPF actually mean?

An SPF (Sun Protection Factor) details the difference as to how long unprotected skin will take to burn compared to skin protected with the product.  The average fair-skinned person takes roughly 10 minutes to begin to show the signs of sunburn.  If that person is wearing a sunscreen with an SPF of 15, it would mean they are protected for 15 x 10 minutes, or 2.5 hours, before it would be necessary to reapply.  Therefore, a sunscreen with an SPF of 50 can provide protection for over 6 hours, although no one person's skin is the same as another.  Know your skin type and protect it accordingly.

What is the benefit of using sunscreen with a higher SPF?

The benefit of high SPFs is that a person could be exposed to the sun for a longer period.  However, this is not true of many high protection products when they come in to contact with water because other sun creams and sprays use emulsifiers and oils, which are not water resistant and will wash off with prolonged contact with water.  This is where Techniblock has a great advantage, because it does not contain any emulsifiers or oils and, therefore, will not wash off easily in water.  Using Techniblock SPF50+ can provide more than 6 hours of protection, even if you are in and out of water - it has real staying power!

How much Techniblock does the average adult need to buy for a 2 week holiday in the sun?

A 340ml family can will last an adult approximately 10-12 days.  This calculation is based on using the product once per day.  SPF15 requires more frequent topping up.  It is important to remember that to ensure even and complete coverage, the product should be sprayed on in a sheltered but airy environment, preferably before heading out into the sun.  In addition, when using Techniblock on the face and neck, always spray the product into the hand and smooth onto the face and neck rather than spraying it directly onto the face.

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