SPF mist or spray texture

SPF mist or spray

Oil-in-water emulsionCold fill

A thin sunscreen lotion in a pump or trigger spray, for fast body coverage.

Light and quick-drying, a thin lotion that spreads from a fine mist.

Body sunscreen spray, Family and kids' spray, Sport reapplication

What it is

SPF lotion sprays carry UV filters in a thin emulsion that a pump or trigger spray lays down as a fine mist. They make body coverage and reapplication quick, but enough product must be applied and rubbed in for even cover. Clear alcohol-based sprays and aerosols are a separate build.

Who it suits

Children and adultsHot, sunny climates

Typical actives

What is in it

UV filterOrganic filters; mineral filters in lotion sprays
CarrierWater with polymeric emulsifiers
Film-formerAcrylates copolymers, polyester-5, VP/eicosene copolymer
EmollientC12-15 alkyl benzoate, dibutyl adipate, light esters

Benefits and challenges

Benefits

  • Fast coverage of large areas.
  • Easy reapplication over the top.
  • Suits family and sport use.

Challenges

  • Hard to apply enough product evenly.
  • Alcohol aerosols are flammable dangerous goods.
  • Propellants need impurity controls, including for benzene.

Shelf life

Unopened
After opening

An expiry date is required. Main risks are separation, nozzle clogging, filter crystallisation, can corrosion and loss of SPF.

Packaging

Spray bottle
Aerosol
In the lab

How it is made

  1. 01Make the concentrateThin lotion or clear ethanol-based solution.
  2. 02Dissolve filters and film-formersSolid filters in warmed esters, then ethanol and film-formers after cooling.
  3. 03Fill the containerPump bottle, bag-on-valve or aerosol can.
  4. 04Gas aerosolsAdd propellant on a dedicated line.
  5. 05Test the sprayPattern, dose, crimp and leak checks.

cold fill · 25 °CLotion sprays are spray-tested for pattern and dose, and aerosol and bag-on-valve packs are gassed on a TGA-licensed line.

Specifications

pH
Viscosity at rest

Batch sizes

50 L pilot
1,000 L
5,000 L production

Lab notes

Preservation
Required for lotion sprays; high-ethanol and aerosol products are low microbial risk but must still meet TGA limits.
Stability testing
As for sunscreen lotions under TGA guidance, plus spray rate and pattern, valve and can compatibility, and corrosion.
Regulatory, Australia
Primary sunscreens of SPF 4 and above are therapeutic goods: listed on the ARTG (AUST L), limited to permitted filters and claims, made under TGA GMP and tested to AS/NZS 2604:2021. Aerosols are also Class 2 dangerous goods under the ADG Code.

Sources