"Riemann - P20 Once A Day Sunfilter Lotion SPF 2" "is a broad spectrum sunscreen meaning that it protects both from UVB rays (" burning "- they cause sunburn) and UVA rays (" aging "- they don't cause sunburn but lead to premature aging and pigmentation issues). However, it does not offer enough sun protection. We recommend to use a sunscreen with at least SPF 30 daily.
Sunscreen filters
This sunscreen uses so-called" chemical ", or organic UV filters (organic simply means that their molecules contain atoms of carbon). These filters typically give good sun protection and rarely leave a white cast, but they can be irritating for sensitive skin. These are the sun protection ingredients in this sunscreen: avobenzone 1.90% - 2.90%, uvinul a plus 4.10% - 6.10%, uvasorb heb 1.00% - 1.50%, octinoxate 0.15% - 0.60%, homosalate 5.20% - 7.80% and octocrylene 3.50% - 5.20%.
Irritation risk
This formulation includes some common irritants, including ingredients that do not provide a benefit for the skin. We assess the overall irritancy of this product to be medium. For a detailed overview of all potential irritants: click here
You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.
UVA I protection:UVA II protection:UVB protection:Photo stable:Ingredient typeOrganic
Avobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.
UVA I protection:UVA II protection:UVB protection:Photo stable:Ingredient typeOrganic
Uvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yet
Does not contain the most effective ingredients for moisturization. The emollients
(c12-15 alkyl benzoate, cyclopentasiloxane) can help soften the upper layer
of the skin. Keep in mind though that this product lacks humectants that attract water. You might want to use a
separate
product with ingredients like hyaluronic acid or glycerin in addition (use before this product for the best
results).
Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth
Octinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritating
A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulation
Octinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritating
Show more
Comodogenic ingredients
We couldn't find any comodogenic ingredients in this product
Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth
A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulation
