| 1 | Dry or Dehydrated Skin | Fragrance-free creams or lotions with humectants, emollients, and occlusive ingredients. | - Glycerin
- Hyaluronic acid
- Ceramides
- Petrolatum
- Dimethicone
| Strong exfoliating acids, high-alcohol formulas, and heavily fragranced products may increase dryness or irritation. | Apply moisturizer to slightly damp skin and choose a richer texture in cold or dry climates. |
| 2 | Oily or Acne-Prone Skin | Lightweight, non-comedogenic, oil-free, or gel-based products. | - Salicylic acid
- Niacinamide
- Adapalene where legally available
| Avoid harsh scrubbing and excessive cleansing, which can irritate the skin and worsen oiliness. | Introduce one active ingredient at a time. Use sunscreen because some acne treatments can increase sun sensitivity. |
| 3 | Sensitive or Easily Irritated Skin | Short ingredient lists, fragrance-free formulas, and products designed to support the skin barrier. | - Ceramides
- Colloidal oatmeal
- Panthenol
- Glycerin
| Essential oils, added fragrance, harsh scrubs, and multiple active ingredients may trigger irritation. | Patch test before regular use and stop using the product if persistent burning, swelling, or rash develops. |
| 4 | Uneven Tone or Dark Spots | Products with clearly stated active ingredients and broad-spectrum sun protection. | - Vitamin C
- Niacinamide
- Azelaic acid
- Retinoids
| Unregulated lightening products may contain undeclared corticosteroids, mercury, or other unsafe substances. | Daily broad-spectrum sunscreen is essential. Check local rules because ingredient restrictions vary by country. |
| 5 | Sun-Sensitive Skin | Broad-spectrum sunscreen labeled with an appropriate SPF and clear directions for use. | - Zinc oxide
- Titanium dioxide
- Approved organic UV filters, depending on local regulations
| Do not rely on makeup or moisturizer alone unless the product is specifically tested and labeled as sunscreen. | Apply generously, reapply after swimming or sweating, and use hats, clothing, and shade for additional protection. |
| 6 | Mature or Loss-of-Firmness Concerns | Moisturizers, antioxidant products, and clinically supported retinoid formulas where appropriate. | - Retinol or other retinoids
- Vitamin C
- Peptides
- Niacinamide
| Retinoids may cause dryness and irritation. They are generally not recommended during pregnancy without medical advice. | Start slowly, use moisturizer, and apply sunscreen daily. Follow local labeling and medical guidance. |
| 7 | Redness-Prone Skin | Gentle, fragrance-free products with soothing and barrier-supporting ingredients. | - Azelaic acid
- Niacinamide at suitable concentrations
- Colloidal oatmeal
- Panthenol
| Hot water, strong exfoliation, fragrance, and high concentrations of active ingredients may intensify redness. | Introduce products gradually. Persistent flushing, visible vessels, or painful inflammation should be assessed by a healthcare professional. |
| 8 | Eczema-Prone or Compromised Barrier | Rich, fragrance-free emollients with minimal ingredients and suitable preservation. | - Petrolatum
- Ceramides
- Glycerin
- Colloidal oatmeal
| Fragrance, essential oils, alcohol-heavy formulas, and exfoliating acids may aggravate compromised skin. | Use products intended for sensitive skin and seek medical advice for severe itching, cracking, oozing, or infection signs. |
| 9 | Combination Skin | Lightweight, balanced products that can be adjusted by area rather than using one heavy formula everywhere. | - Niacinamide
- Glycerin
- Lightweight ceramide moisturizers
| Very rich occlusive products may feel heavy on oily areas, while strong mattifying products may dry normal areas. | Use a lighter moisturizer on oily zones and a richer product on dry zones. Avoid over-cleansing the entire face. |
| 10 | Travel, Climate, and Water Changes | Sealed packaging, stable formulas, clear expiration information, and textures suitable for the destination climate. | - Humectants for dry air
- Barrier-supporting lipids for cold climates
- Lightweight textures for hot and humid climates
| Products exposed to excessive heat, freezing temperatures, direct sunlight, or repeated contamination may lose quality. | Check packaging integrity, batch or expiration information, storage instructions, and the destination country's cosmetic requirements. |