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Boots Lip and Cold Sore Relief Cream: Clinical Particulars

 

Active ingredient: urea, cetrimide, dimeticone, chlorocresol

Medically reviewed by Min Clinic Staff | Updated: January 2026

1. Name of the medicinal product

Cymex Cream

Own Label Supplier:

Superdrug Lip & Cold Sore Cream

Lip and Cold Sore Relief Cream

 

2. Qualitative and quantitative composition

Urea BP

1.0% w/w

Cetrimide BP

0.5% w/w

Dimeticone 350 BPC

9.0% w/w

Chlorocresol BP

0.1% w/w

For a full list of excipients, see section 6.1.

 

3. Pharmaceutical form

Emollient White Cream

 

4. Clinical particulars

4.1 Therapeutic indications

For the application to cold sores and cracked lips.

 

4.2 Posology and method of administration

There are no special hazards associated with the use of cetrimide in specific patient groups. No special precautions or modified dosage requirements are, therefore, indicated for its use in infants, the elderly or during pregnancy or lactation. No hazardous drug interactions are considered likely.

Adults, elderly and children: apply sparingly every hour for the relief of cold sores and cracked lips.

Topical application.

 

4.3 Contraindications

None known.

 

4.4 Special warnings and precautions for use

Keep out of the reach and sight of children.

For external use only.

If symptoms persist consult your doctor.

 

4.5 Interaction with other medicinal products and other forms of interaction

None known.

 

4.6 Pregnancy and lactation

Consult a doctor before use if pregnant or breast-feeding.

 

4.7 Effects on ability to drive and use machines

Not applicable.

 

4.8 Undesirable effects

None.

 

4.9 Overdose

Features

Symptoms are unlikely to arise after ingestion of this product. It is possible that nausea and vomiting or diarrhoea may occur.

Management

Gut decontamination or other specific management is unlikely to be required. Treat symptomatically. A small glass of milk or water may be helpful.

 

5. Pharmacological properties

5.1 Pharmacodynamic properties

ATC Code DO 2A X

Urea has keratolytic properties, Cetrimide is a quaternary ammonium disinfectant, Chlorocresol is a mild disinfectant while Dimeticone 350 acts as a water repellent.

 

5.2 Pharmacokinetic properties

Not applicable.

 

5.3 Preclinical safety data

No particular remarks.

 

6. Pharmaceutical particulars

6.1 List of excipients

Deionised Water

Liquid paraffin BP

Cetosteryl Alcohol BP

 

6.2 Incompatibilities

Not applicable.

 

6.3 Shelf life

36 months

 

6.4 Special precautions for storage

Store below 25°C.

 

6.5 Nature and contents of container

5 g White Aluminium tubes with Elongated nozzles and HDPE caps. Internally lacquered.

 

6.6 Special precautions for disposal and other handling

See 4.2 Posology and Method of Administration.

 

7. Marketing authorisation holder

Actavis Group PTC ehf

Reykjavíkurvegi 76-78

220 Hafnarfjordur

Iceland.

Own label supplier:

Superdrug Stores plc

Admail 838

Croydon

Surrey

CR9 4WZ

England

Own label supplier:

Boots the Chemist plc

1 Thane Road

Nottingham

NG2 3AA

England

 

8. Marketing authorisation number

PL 30306/0028

 

9. Date of first authorisation/renewal of the authorisation

13th December 2007

 

10. Date of revision of the text

23/12/2010

 

11. Dosimetry

If applicable

 

12. Instructions for preparation of radiopharmaceuticals

If applicable