Sources and original illustrations

Primary references and the limits of this educational collection.

Primary references

• FDA: Nail Care Products — Follow labels and warnings, provide ventilation and handle potentially flammable nail products safely.
• AAD: Manicure and Pedicure Safety — General nail-care boundaries and seeking professional care for concerning nail changes.
• Essie: Nail Art Studio — This named conventional jelly/effects range does not require a UV lamp; not a statement about all similarly named products.
• Essie: Arctic Jelly — Manufacturer description of a sheer buildable white jelly finish, not independent performance verification.
• OPI: gLITter Nail Lacquer — A manufacturer describes a particular sheer shimmer topper and its supported lacquer layering system.
• OPI: RapiDry Top Coat — Application is product specific; drying-agent and topcoat names do not supply universal timing.

Original visual material

The diagrams in this edition are original SVG illustrations explaining the sequence or decisions in each guide. They do not show a laboratory experiment, a personal trip or a tested product result. No photographs from the linked sources are reproduced.

Check the source in context

References were consulted during preparation of this edition. A source may cover a broader or narrower question than a particular guide; the support notes above explain why it is listed. Read the original for methodology, exceptions and updates.