L'Oreal Paris Preference Oslo 9.1 Viking Light Ash Blonde
Product

L'Oreal Paris Preference Oslo 9.1 Viking Light Ash Blonde

LOreal
62Ingredients
0EU Banned
19Caution
0.1/5Comedogenic
Pregnancy SafeNo flagged ingredients
0.1/5Comedogenic
Pregnancy SafeNo flagged ingredients
High Allergens10 fragrance allergens
34% Natural37% synthetic

Contains Regulated Ingredients

EU Restricted Ingredients

These ingredients are permitted in the EU but subject to concentration limits, usage conditions, or mandatory labelling requirements under Annex III of the EU Cosmetics Regulation.

AMMONIUM HYDROXIDEMax 6.0%
Max concentration:6.0%
Product types:All cosmetic products
Label warnings: Above 2%: Contains ammonia
4-AMINO-2-HYDROXYTOLUENE
Product types:(a) Hair dye substance in oxidative hair dye products(b) Products intented for colouring eyelashes
Conditions:For (a) and (b): After mixing under oxidative conditions the maximum concentration applied to hair or eyelashes must not exceed 1,5 %(b) For professional use only.
Label warnings: (a) To be printed on the label: The mixing ratio. “ Hair colorants can cause severe allergic reactions.Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp, — you have ever experienced any reaction after colouring your hair, — you have experienced a reaction to a temporary ‘black henna’ tattoo in the past.”(b) To be printed on the label: The mixing ratio. “For professional use only. This product can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase the risk of allergy. Eyelashes shall not be coloured if the consumer:— has a rash on the face or sensitive, irritated and damaged scalp,— has experienced any reaction after colouring hair or eyelashes, — has experienced a reaction to a temporary ‘black henna’ tattoo in the past. Rinse eyes immediately if product comes into contact with them.”
2-AMINO-3-HYDROXYPYRIDINE
Product types:(a) Hair dye sub­stance in oxidat­ive hair dye products(b) Products in­tended for col­ouring eyelashes
Conditions:(a) After mixing under ox­idative conditions the maximum concentra­tion applied to hair must not exceed 1,0 %(b) After mixing under ox­idative conditions the maximum concentra­tion applied to eye­lashes must not exceed 0,5 % (b) Professional use
Label warnings: (a) To be printed on the la­bel: The mixing ratio. “Hair colourants can cause severe allergic reac­tions. Read and follow instruc­tions. This product is not in­tended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irri­tated and damaged scalp, — you have ever experi­enced any reaction after colouring your hair, — you have experienced a reaction to a tempor­ary b‘lack henna’ tattoo in the past.” (b) As from 3 March 2018, to be printed on the la­bel: The mixing ratio. “This product can cause severe allergic reactions. Read and follow instruc­tions. This product is not in­tended for use on persons under the age of 16. Tem­porary ‘black henna’ tattoos may increase the risk of al­lergy. Eyelashes shall not be co­loured if the consumer: — has a rash on the face or sensitive, irritated and damaged scalp, — has experienced any re­action after colouring hair or eyelashes,— has experienced a reac­tion to a temporary ‘black henna’ tattoo in the past. For professional use only. Rinse eyes immediately if product comes into contact with them”
What does "EU Restricted" mean?

Restricted ingredients are not banned — they are allowed in cosmetic products as long as specific conditions are met:

  • Concentration limits — maximum allowed percentage in the final product
  • Product type restrictions — some ingredients are only allowed in rinse-off or leave-on products
  • pH restrictions — the finished product must stay within a specific pH range
  • Mandatory labelling — certain allergens must be listed on the packaging
  • Usage conditions — must not be combined with certain other ingredients

These limits are based on the EU CosIng database (Annex III) and are updated regularly. Products sold in the EU must comply with all applicable restrictions.

Ingredient Chemistry

pH

pH Efficacy

pH Efficacy

pH 5.8 — Ineffective
5.8
0Neutral 714
pH estimated from category & ingredients: 5.8
Active ingredients: Glycolic Acid
Glycolic Acid at pH 5.8: likely ineffective — above 4.5
Glycolic Acid is at pH 5.8, which is too high for optimal efficacy (3–4).
Detected actives & ideal pH
Glycolic AcidpH 3–4

Microbiome

Composition & Ethics

Product Details

Attributes

Ethics
VeganLikely
No animal-derived ingredients detected
Cruelty-FreeUnknown
No brand statement — contact manufacturer
Safety
Fragrance-FreeContains fragrance
Contains fragrance/parfum
Confirmed Inferred Unknown Not compliant

Composition

34% natural37% synthetic
21 natural 18 unknown 23 synthetic

Based on 62 ingredients analyzed. 34% natural, 29% unknown and 37% synthetic.

Preservatives3 preservatives
FragranceContains added fragrance
Silicones1 silicone

Functions Overview (15)

Texture & Feel

Texture & Feel

Expected texture
Soft hydrating gel — water-based, lightweight feel
SpreadabilityModerate
AbsorptionVery fast
Tackiness / ResidueVery low
Finish:Luminous / radiant — subtle light-reflecting glow

Slight initial tackiness that fades into a hydrated dewy finish. Cooling sensation on application with rapid dry-down.