Titanium dioxide – the second mineral UV filter in sun protection

UV-B protection

Titanium dioxide mainly absorbs UVB radiation; in long-wave UVA, zinc oxide complements the protection.

Non-nano

Like zinc oxide, a mineral filter: non-nano in our sunscreens and listed in the INCI without ‘(nano)’.

Inorganic

Titanium dioxide is a metal oxide and does not break down in storage.

At a glance

INCI Titanium Dioxide
Form Non-nano (no ‘(nano)’ suffix in the INCI)
Function in the formula Mineral UV filter
UV range Mainly UV-B, partly UV-A
Application Before going out, generously; reapply after swimming
Maximum as a UV filter (EU) 25%
Colour Index number CI 77891 (as a white pigment)
Substance class Inorganic pigment (metal oxide)
Active in detail

Mineral UV filter with a focus on UV-B

Titanium dioxide is a white, inorganic pigment and, like zinc oxide, is approved in the EU as a UV filter at up to 25%. It mainly absorbs UV radiation and reflects only a small share; its strength lies in the UVB range. Combined with zinc oxide, which is stronger in long-wave UVA, it covers a broad spectrum.

Skin-type check

How does titanium dioxide feel on the skin?

Titanium dioxide is a fine white powder; how it feels and looks depends on the amount and the base.

D
Dry skin Top
Titanium dioxide itself is not greasy; in the solid sunscreen, shea butter and beeswax provide a caring film.
L
Light skin Top
A slight white sheen is usually barely noticeable on light skin.
C
Combination skin Top
The butter base cares for dry areas but may look a little shiny on the T-zone.
D
Darker skin Mit Bedacht
In one measurement, finely dispersed titanium dioxide looked whiter than zinc oxide (Pinnell et al. 2000). The tinted mini in Light Sand is less noticeable.
N
Normal skin Top
For everyday sun protection on face and body, applied generously.
Ö
Oily skin Mit Bedacht
The water-free base of butter and wax may look a little shiny on oily skin.
Science & care

How does titanium dioxide work on the skin?

Three properties that define titanium dioxide as a UV filter.

01

Absorption, not a mirror

Titanium dioxide mainly absorbs UV radiation; in the UV range it reflects only about 4–5% (Cole et al. 2016).

02

UV-B specialist

Particularly effective in the UVB range (290–320 nm); zinc oxide is stronger in UVA (Smijs & Pavel 2011).

03

Stable in storage

As an inorganic pigment, titanium dioxide does not break down; the shelf life of the product is limited by its oils and waxes.

Titanium dioxide · Mineral · UV-B specialist
Use Cases

What can you use titanium dioxide for?

Daily sun protection

High sun protection on the face for your daily routine

Lips

Lip Balm SPF15 with titanium dioxide and zinc oxide

Outdoor sport

Water-resistant solid sunscreen for climbing, hiking, surfing

Face

Solid stick for forehead, nose, cheeks and ears

Mountains & snow

SPF 50 for high-UV days at altitude

Tinted

Mini in Light Sand with beige iron oxide pigments

By the water

Tested water-resistant; reapply after swimming and towelling

Terms

Glossary

Titanium dioxide (TiO2)
Mineral UV filter that mainly absorbs UV radiation.
Non-nano
A raw material that does not meet the EU definition of a nanomaterial; the INCI then carries no ‘(nano)’ suffix.
UV-A vs. UV-B
UVB ranges from 290 to 320 nm, UVA from 320 to 400 nm. SPF mainly reflects protection against UVB.
Mineral filter
An inorganic pigment; on intact skin, the particles stay on the surface and in the uppermost stratum corneum.
Whitening effect
Mineral filters can leave a slight white film – tinted versions balance that out.
Zinc oxide combination
Titanium dioxide and zinc oxide are often combined because they are strong in different UV ranges.

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