What is the best remedie for the worst case of achne

A friend of mine suffers really bad. She is 25 and has tried everything the doctor can offer. Any suggestions?

HOMEOPATHIC TREATMENT FOR ACNE (Without any side effects or complications) :-

Head remedy.Pimples worse during menses;worse after eating fats, sugar, coffee and meat Psorinum 200X or 1M weekly (3 Doses)

Pimples at the age of puberty with itching Asterias Rub 30X, 6 hourly

If Asterias rub fails; pustuler eruptions Kali Brom 30X, 6 hourly

Chronic cases; worse after taking eggs and during winter seasons Streptococcin.200X or 1M, weekly (3 Doses)

To clean the complexion Berberis Aquifolium Q(Mother Tincture) 4 hourly, 7 - 8 drops

Pimples; stools constipated like sheep's dung; worse from sea bathing Magnesia Mur.30X, 6 hourly

Acne of nose; better in damp weather Causticum.30X, 6 hourly

To cover tendency of pimples and to purify the blood Echinacea Q(Mother Tincture) 4 hourly, 5 - 10 drops

Acne rosacea.Pimples are painful for some distance around; worse during menstruation. Eugenia J Q(Mother Tincture) 4 hourly, 5 -10 drops

Pimples hard like flee bites, chilblains Agaricus Mus 30X or 200X, 6 hourly

Skin moist; pimples; digestion slow; flatulence; better fanning Carbo Veg 30X or 200X, 6 hourly

Rose colourd pimples; pale,waxy skin; chilly persons Silicea.200X or 1M weekly (3 Doses)

Acne in tuberculer patients Tuberculinum K 200X or 1M weekly (3 Doses)