Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 Lotion

Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 Lotion
1.2
/ 10
Moisturizing
0.6 Humectancy icon Humectancy
1.8 Occlusivity icon Occlusivity
0.1Anti-wrinkle icon/ 10
Anti-wrinkle
Rich
in Antioxidants
45
SPF icon
SPF

Review

Does Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 Lotion work?

Based on the ingredient list analysis by CreamScan AI, these are the key benefits you can expect from using Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 Lotion:

  • A bit of moisturizing. It has a moisturizing rating of 1.2 out of 10.
  • Little anti-wrinkle effect: Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 Lotion has an anti-wrinkle rating of 0.1 out of 10, so you may expect a positive, although insignificant, effect on wrinkles.
  • Antioxidant protection.
  • High sun protection for extended outdoor activities and exposure.

Slight Moisturizing When Used Alone

According to CreamScan analysis, Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 Lotion is slightly moisturizing, with a moisturizing rating of 1.2 out of 10.

Is it more humectant or occlusive? This product has relatively comparable levels of Humectancy and Occlusivity: a low Humectancy of 0.6 out of 10 and a low Occlusivity of 1.8 out of 10.

This type of product provides relatively light moisturizing on its own but can contribute to overall moisturizing efficacy when used as part of a skincare routine, alongside another moisturizer.

Please refer to the Ratings section below for details of the moisturizing rating calculation.

Little anti-wrinkle efficacy

According to CreamScan analysis, Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 Lotion has a minimal anti-wrinkle rating of 0.1 out of 10.

It contains one ingredient with proven anti-wrinkle efficacy: Ascorbic Acid (est. ≈0.3%), 
 or Vitamin C, a popular ingredient, yet with moderate anti-wrinkle efficacy, as confirmed by a single clinical study involving 20 participants (Humbert et al.). This study showed that a cream with a relatively high concentration of 5% ascorbic acid reduced the average wrinkle depth by 7% after 6 months of use, compared to a vehicle (the same formulation without ascorbic acid).
 
Among others, Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 Lotion also contains contains Gluconolactone and Retinyl Palmitate, two ingredients often marketed as effective in reducing wrinkles. However, the studies supporting the anti-wrinkle claims of these ingredients provide insufficient evidence of efficacy according to CreamScan Research Evaluation Standards. Therefore, these ingredients do not contribute to the anti-wrinkle rating.
 
Moisturizers, when used regularly, are proven to prevent wrinkle formation and even reduce existing wrinkles. Therefore, this product, like any other moisturizer, can deliver some anti-wrinkle effects through its moisturizing action.
 

Please refer to the Ratings section below for details of the anti-wrinkle rating calculation.

Rich in skin-protecting antioxidants

We estimate that Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 Lotion is rich (> 3%) in antioxidants, specifically Carthamus Tinctorius (Safflower) Seed Oil (est. ≈3.0%).

A key benefit of antioxidants is their ability to reduce oxidative stress caused by free radicals and therefore prevent accelerated skin aging. Studies also show that antioxidants can protect against environmental damage such as UV radiation and pollution, and help reduce inflammation and skin redness.

High sun protection for extended outdoor activities and exposure

With an SPF of 45, Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 Lotion provides high sun protection, making it ideal for prolonged outdoor activities such as hiking, gardening, sports, or spending time at the beach.

This level of SPF blocks up to 98% of UVB rays, significantly reducing the risk of sunburn. When formulated as broad-spectrum, it also protects against UVA rays, which penetrate deeper into the skin and contribute to premature aging, hyperpigmentation, and long-term damage.

This level of SPF is recommended for most skin types, including those with moderate sun sensitivity. For individuals with fair or very sensitive skin, or under intense sun exposure, a higher SPF of 50+ is advised.

For optimal protection, choose products labeled broad-spectrum to ensure defense against both UVA rays, which contribute to skin aging and pigmentation, and UVB rays that cause sunburn.

It's important to apply sunscreen generously and reapply every two hours or after swimming or sweating to maintain effectiveness.

Ingredients

Est. % Ingredient Origin Functions
50
19.24
6
4
3
2.5
1.93
1.5
1.3
1
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
Est. %
Water
Function:
Origin:
Zinc Oxide
Function:
Origin:
Butyloctyl Salicylate
Function:
Origin:
C9-12 Alkane
Function:
Origin:
Carthamus Tinctorius (Safflower) Seed Oil
Function:
Origin:
Dicaprylyl Carbonate
Function:
Origin:
Titanium Dioxide (CI 77891)
Function:
Origin:
Isodecyl Neopentanoate
Function:
Origin:
Cetyl Alcohol
Function:
Origin:
Coco-Caprylate/Caprate
Function:
Origin:
Propanediol
Function:
Origin:
Ethylhexyl Olivate
Function:
Origin:
Glyceryl Stearate
Function:
Origin:
PEG-100 Stearate
Function:
Origin:
Cetearyl Olivate
Function:
Origin:
Cetearyl Phosphate
Function:
Origin:
Triethoxycaprylylsilane
Function:
Origin:
Phenoxyethanol
Function:
Origin:
Sorbitan Olivate
Function:
Origin:
Oleth-3 Phosphate
Function:
Origin:
HDI/Trimethylol Hexyllactone Crosspolymer
Function:
Origin:
PEG-8 Dimethicone
Function:
Origin:
Alumina
Function:
Origin:
Xanthan Gum
Function:
Origin:
Polymethylsilsesquioxane
Function:
Origin:
Polyhydroxystearic Acid
Function:
Origin:
Disodium EDTA
Function:
Origin:
Squalane
Function:
Origin:
Gluconolactone
Function:
Origin:
Isopropyl Titanium Triisostearate
Function:
Origin:
Sodium Benzoate
Function:
Origin:
Hydrogen Dimethicone
Function:
Origin:
Potassium Sorbate
Function:
Origin:
Silica
Function:
Origin:
Mica
Function:
Origin:
Ascorbic Acid
Function:
Origin:
Octyldodecanol
Function:
Origin:
Retinyl Palmitate
Function:
Origin:
Sodium Propoxyhydroxypropyl Thiosulfate Silica
Function:
Origin:
Tocopheryl Acetate
Function:
Origin:
Diamond Powder
Function:
Origin:
Iron Oxides (CI 77499)
Function:
Origin:

Ratings

All humectants
0.6
0.3
0.3
Benchmark
10
All occlusives
3.6
3.0
0.3
0.3
Benchmark
20
Moisturizing rating
1.2
Ingredient Est. % Benchmark Raiting
Humectancy All humectants 0.6 10
0.6
0.3
0.3
Occlusivity All occlusives 3.6 20
1.8
3.0
0.3
0.3
Moisturizing rating
1.2
Ingredient Est. % Benchmark Humectancy
0.3
0.3
All humectants 0.6 10
0.6
All humectants
0.6
0.3
0.3
Benchmark
10
Ingredient Est. % Benchmark Occlusivity
3
0.3
0.3
All occlusives 3.6 20
1.8
All occlusives
3.6
3.0
0.3
0.3
Benchmark
20
Ingredient
Ingredient anti-wrinkle power
when present at, %
in this formula est. %
Rating
2.5 /10 5 0.3 0.1
n/a
- 0.3 -
n/a
- 0.3 -
Total
0.1
Ascorbic Acid
0.1
Ingredient anti-wrinkle power
2.5 /10
when present at, %
5
in this formula, est. %
0.3
Gluconolactone
-
Ingredient anti-wrinkle power
n/a
when present at, %
-
in this formula, est. %
0.3
Retinyl Palmitate
-
Ingredient anti-wrinkle power
n/a
when present at, %
-
in this formula, est. %
0.3
Anti-wrinkle rating
0.1
Ingredient Est. % Benchmark
Rich in Antioxidants
3
0.3
0.3
All antioxidants 3.6 3 Rich in antioxidants
All antioxidants
3.6
Carthamus Tinctorius (Safflower) Seed Oil
3
Ascorbic Acid
0.3
Tocopheryl Acetate
0.3
Benchmark
3
Ingredient Est. % Benchmark
Rich in Soothing
None
All soothing 0 5 No
All soothing
0
None
Benchmark
5

Ingredients explained

Water
Est. %50
Function
Origin
WaterThe most used ingredient in skincare. Its concentration defines the product texture: rich creams may have about 50% of water while a light jelly about 90%. Water doesn’t moisturize the skin by itself and is used in skincare as a solvent for other ingredients.
Zinc Oxide
Est. %19.24
Function
Origin
Zinc OxideA white mineral powder mainly used in skincare as a physical sunscreen. It protects against UVA light that leads to visible signs of aging, including wrinkles and fine lines. Zinc oxide can also be used as a colorant to enhance the whiteness of a product.
Butyloctyl Salicylate
Est. %6
Function
Origin
Butyloctyl SalicylateA synthetic emollient and solvent. It is primarily used as a carrier oil to disperse minerals in, including pigments and sunscreen minerals. It can also absorb UV light, thus boosting the SPF of sunscreen products.
C9-12 Alkane
Est. %4
Function
Origin
C9-12 Alkane
Carthamus Tinctorius (Safflower) Seed Oil
Est. %3
Function
Origin
Carthamus Tinctorius (Safflower) Seed OilA fatty oil pressed from safflower seeds that is used as an occlusive moisturizer and emollient. It contains unusually high amounts of linoleic acid (up to 70%), as well as antioxidant compounds such as vitamin E, phytosterols, and phenolics.
Dicaprylyl Carbonate
Est. %2.5
Function
Origin
Dicaprylyl CarbonateA very fast-spreading emollient that gives a product an incredibly lightweight feel. Dicaprylyl carbonate works well as a solvent for suspending insoluble solids such as mineral sunscreens or iron oxide pigments.
Titanium Dioxide (CI 77891)
Est. %1.93
Function
Origin
Titanium Dioxide (CI 77891)One of two the most commonly used mineral sunscreens. It can absorb UV light, including UVB – which causes burning, tanning, and even skin cancer. Also used as a colorant, titanium dioxide gives a product a bright white color.
Isodecyl Neopentanoate
Est. %1.5
Function
Origin
Isodecyl NeopentanoateA super lightweight ester that softens the appearance of skin.
Cetyl Alcohol
Est. %1.3
Function
Origin
Cetyl AlcoholA waxy solid fatty alcohol derived from palm oil. It is most commonly used as a co-emulsifier and affects the final aesthetic of the product, leaving a soft and silky feeling on the skin. Cetyl alcohol is also used as a viscosity controlling agent.
Coco-Caprylate/Caprate
Est. %1
Function
Origin
Coco-Caprylate/CaprateA naturally-derived emollient ester. It is a blend of caprylates and caprates and, relative to other emollients, is lightweight and dry on the skin. As a result, coco-caprylate/caprate serves as a natural alternative to volatile silicones.
Propanediol
Est. %0.3
Function
Origin
PropanediolAn excellent solvent capable of mixing water with normally water-insoluble ingredients. It also functions as a humectant due to its water-loving alcohol groups. Propanediol can control the viscosity of a product by reducing its thickness.
Ethylhexyl Olivate
Est. %0.3
Function
Origin
Ethylhexyl Olivate
Glyceryl Stearate
Est. %0.3
Function
Origin
Glyceryl StearateAn emollient and emulsifier typically derived from vegetable sources through a chemical reaction with glycerin. It provides stability, texture, and consistency to formulations. Its main function is to allow oil and water to mix.
PEG-100 Stearate
Est. %0.3
Function
Origin
PEG-100 StearateThis surfactant is more specifically classified as an emulsifier that produces oil-in-water emulsions. PEG-100 stearate can also be used as a cleansing agent.
Cetearyl Olivate
Est. %0.3
Function
Origin
Cetearyl Olivate

A multifunctional ingredient derived from plants that primarily serves as an emulsifier. Supplied as a waxy ivory-colored flake, it can also be used as an emollient and slip modifier that gives a product an overall light, silky finish.

Cetearyl Phosphate
Est. %0.3
Function
Origin
Cetearyl Phosphate
Triethoxycaprylylsilane
Est. %0.3
Function
Origin
TriethoxycaprylylsilaneA binding and coating ingredient that allows pigments like iron oxides and mica to disperse better in oily environments. This leads to more vibrant colors.
Phenoxyethanol
Est. %0.3
Function
Origin
PhenoxyethanolThe most frequently used preservative in skincare. It is a clear, oil-like liquid synthetic substance that protects products from harmful bacteria and yeast, whilst still leaving skin microflora unharmed. It is confirmed by research to be harmless.
Sorbitan Olivate
Est. %0.3
Function
Origin
Sorbitan OlivateAn ester of sorbitol (a type of sugar alcohol) and olive oil fatty acids. It is used as an emulsifying agent to stabilize oil droplets in water (or vice versa).
Oleth-3 Phosphate
Est. %0.3
Function
Origin
Oleth-3 Phosphate
HDI/Trimethylol Hexyllactone Crosspolymer
Est. %0.3
Function
Origin
HDI/Trimethylol Hexyllactone CrosspolymerAn anticaking agent that prevents a product from forming lumps. It also increases slip and produces an elegant finish in skincare formulations.
PEG-8 Dimethicone
Est. %0.3
Function
Origin
PEG-8 Dimethicone
Alumina
Est. %0.3
Function
Origin
AluminaA mineral derived from the metal ore known as aluminum. It is commonly used as an abrasive and also acts as a thickening viscosity controlling agent (and thus as a bulking agent). Alumina is also a great opacifier.
Xanthan Gum
Est. %0.3
Function
Origin
Xanthan GumA natural multi-functional ingredient that originates from fermented sugars. Xanthan gum acts as a viscosity-building agent to thicken skincare products. It is also an excellent stabilizer and works well to hold other ingredients together.
Polymethylsilsesquioxane
Est. %0.3
Function
Origin
PolymethylsilsesquioxaneA type of spherical powder that functions on a ball-bearing effect in which the tiny microspheres roll around on the skin and create lubricity. Polymethylsilsesquioxane offers extra slip to skincare products and makes the skin feel soft and smooth.
Polyhydroxystearic Acid
Est. %0.3
Function
Origin
Polyhydroxystearic AcidA soft and malleable amber wax naturally derived from vegetable sources. It allows minerals to be very finely dispersed, which can improve SPF, decrease the white cast in sunscreens, and increase the color expression in pigmented products.
Disodium EDTA
Est. %0.3
Function
Origin
Disodium EDTAA synthetic chelator that helps to maintain the look and smell of a product by 'locking up' troublesome metal ions.
Squalane
Est. %0.3
Function
Origin
SqualaneAn occlusive moisturizing and emollient compound that forms part of the skin’s sebum. The main source of squalane had always been shark liver. Now, however, it is manufactured synthetically or derived from plant oils, such as olive and peanut oil.
Gluconolactone
Est. %0.3
Function
Origin
GluconolactoneA PHA derived from glucose. It has exfoliating and humectant properties and acts as a penetration enhancer for other ingredients. It has also been shown to assist in the treatment of acne and the prevention of photoaging.
Isopropyl Titanium Triisostearate
Est. %0.3
Function
Origin
Isopropyl Titanium Triisostearate
Sodium Benzoate
Est. %0.3
Function
Origin
Sodium BenzoateA preservative that usually works in combination with other preservatives. It has to be at low pH (<5.5) to be effective.
Hydrogen Dimethicone
Est. %0.3
Function
Origin
Hydrogen Dimethicone
Potassium Sorbate
Est. %0.3
Function
Origin
Potassium SorbateA preservative widely used in food and personal care products, available from natural sources or synthetically produced. Potassium sorbate works by inhibiting the growth of yeasts, molds, and some bacteria.
Silica
Est. %0.3
Function
Origin
SilicaA widely used cosmetic ingredient with the same chemical composition as the sand found on beaches. A common function of silica is its ability to control viscosity. In certain chemical forms, it can effectively thicken cream-style products.
Mica
Est. %0.3
Function
Origin
MicaA mineral powder made up of silicates with several functions (the main one being as a colorant). It has a shimmery appearance, making it highly desirable in certain cosmetic products. Mica also helps the product to apply more smoothly.
Ascorbic Acid
Est. %0.3
Function
Origin
Ascorbic Acid

Also known as vitamin C, this multi-benefit ingredient has proven anti-wrinkle, antioxidant, and anti-pigmentation efficacy. It degrades easily when exposed to air and light, so it requires proper packaging to maintain its stability.

Octyldodecanol
Est. %0.3
Function
Origin
OctyldodecanolAn emollient fatty alcohol that spreads easily without leaving a greasy residue on the skin. It is also used as a solvent and dispersing agent for other ingredients.
Retinyl Palmitate
Est. %0.3
Function
Origin
Retinyl PalmitateAn esterified form of retinol – it combines retinol and palmitic acid into one molecule. Retinyl palmitate is less irritating than retinol but also much less effective in its anti-aging and acne-reducing effects.
Sodium Propoxyhydroxypropyl Thiosulfate Silica
Est. %0.3
Function
Origin
Sodium Propoxyhydroxypropyl Thiosulfate Silica
Tocopheryl Acetate
Est. %0.3
Function
Origin
Tocopheryl Acetate

An antioxidant derivative of tocopherol (vitamin E). It helps to protect cells from free radicals and UV damage through the conversion to active vitamin E in the skin. It is more stable than tocopherol.

Diamond Powder
Est. %0.3
Function
Origin
Diamond PowderA synthetically produced luxury ingredient that has both light-scattering and exfoliating properties.
Iron Oxides (CI 77499)
Est. %0.3
Function
Origin
Iron Oxides (CI 77499)A black colorant also known as black iron oxide used in a wide range of skincare products.