Set specifications by product
Cleansers, aqueous serums, emulsions and sunscreens have different formulation constraints. Each product receives its own appropriate pH target and validation plan.
The formulation logic
Different formulas need different specifications.
N°55 combines Copenhagen-inspired design discipline with Australian formulation. Each product is developed around its routine role, format and ingredient system; pH is considered where relevant, not treated as a universal performance claim.
Three formulation principles
The science should make the routine easier to understand.
Protect the barrier first
Cleansing, hydration and moisturisation establish the baseline. Treatment comes later, once skin feels comfortable and consistent.
Remove avoidable triggers
Formula status is declared product by product from current records. Sensitive-skin positioning does not imply universal tolerance.
pH in context
One parameter within a complete formula.
The skin surface is mildly acidic, but that fact alone does not establish that one pH number is best for every skincare format or that pH determines finished-product performance.
N°55 treats pH as one development and quality-control parameter alongside stability, preservation, texture, delivery, compatibility and use experience.
What you should be able to verify
Clear claims, complete information.
Premium skincare earns trust through what it discloses, not how clinical it looks.
- Fragrance
- No added fragrance across the current N°55 formula records.
- pH
- Product-specific target ranges are disclosed separately from measured finished-batch results.
- Routine role
- Every product states where it belongs and whether it is essential or optional.
- Ingredients
- Current full or formula-derived declarations are published on each product page, with provisional status clearly identified.
- Design influence
- Copenhagen-inspired clarity, quiet materials and function-led routine design.
- Origin
- Developed, formulated and assembled in Australia.
Put the principles into practice
Begin with the smallest useful routine.
Start with cleanser and moisturiser, then introduce one formula at a time.
Explore the routine