Reference number  
DRS  379: 2018 
© RSB 2018 
 
 
 RWANDA 
STANDARD  DRS  
379 
 
First edition  
2018-mm-dd 
 
Aftershave  — Specification  
 
  DRS  379: 2018 
 In order to match with technological development and to keep continuous progress in industries, 
standards are subject to periodic review. Users shall ascertain that they are in possession of the latest 
edition  
 
 
 
 
 
 
 
 
© RSB 2018  
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized 
in any form or by any means, electronic or mechanical, including photocopying and microfilm, without 
prior written permission from R SB. 
Requests for permission to reproduce this document should be addressed to : 
Rwanda Standards  Board  
P.O Box 7099 Kigali -Rwanda  
KK 15 Rd, 49  
Tel. +250 252 586103/ 582945  
Toll Free: 3250  
E-mail: info@rsb.gov.rw  
Website: www.rsb.gov.rw  DRS  379: 2018 
iii                ©RSB 2018- All rights  reserved  
 Contents  Page 
Foreword  ................................ ................................ ................................ ................................ ...................  iv 
1 Scope  ................................ ................................ ................................ ................................ .............  1 
2 Normative references  ................................ ................................ ................................ ...................  1 
3 Terms and definitions  ................................ ................................ ................................ ................  21 
4 Types  ................................ ................................ ................................ ................................ .............  2 
5 Requirements  ................................ ................................ ................................ ................................  2 
5.1 General re quirements  ................................ ................................ ................................ ..................  2 
5.2 5.1.3 The aftershave shall not have any objectionable odour.Ingredients  .............................  2 
5.3 Specific requirements  ................................ ................................ ................................ ................  23 
6 Packaging and labelling ................................ ................................ ................................ ...............  3 
6.1 Packaging  ................................ ................................ ................................ ................................ ...... 3 
6.2 Labelling  ................................ ................................ ................................ ................................ ........  3 
7 Sampling  ................................ ................................ ................................ ................................ ....... 4 
Annex  A (normative)  Determination of pH  ................................ ................................ .............................  5 
 DRS  379: 2018 
 Foreword  
Rwanda Standard s are prepared  by Technical Committees and approved by R wanda Standards Board (RSB) 
Board  of Directors in  accordance with the procedures of RSB, in compliance with Annex 3 of the WTO/TBT 
agreement on the preparation, adoption and application of standards.  
The main task of technical committees is to prepare national standards.  Final Draft Rwanda S tandards adopted 
by Technical committ ees are ratifie d by me mbers of RSB Board of Director s for publication and gazettment as 
Rwanda Standards.  
DRS 379 was prepared by Technical Committee RSB/TC 011, Cosmetics  and Related Products . 
In the preparation of this standard, reference was made to the following stan dard:  
1) IS 9255 , Aftershave  lotion  – Specification  
The assistance de rived from the above source is hereby acknowledged with thanks.  
Committee membership  
The following organizations were represented on the Technical Committee on Cosmetics  and Related Products  
(RSB/TC 011) in the preparation of this standard.  
National Industrial Research Development Agency  
Criminal Investigation Department /Anti-counterfeit  
Private Sector Federation /Beauty Makers Association  
KAN – HAN Co. Ltd  
NEO CONSULT  
ALYVO RWANDA Ltd  
PHARMACIE NOVA  
SULFO RWANDA  Industries Ltd  
University of Rwanda  – College of Sciences and Technology  
Rwanda  Standards Board  (RSB) – Secretariat  
  DRS  379: 2018 
1                ©RSB 2018- All rights  reserved  
 Aftershave  — Specification  
1 Scope  
This Draft Rwanda Standard prescribes the requirements and methods of sampling and test for aftershave  
products . 
This document  covers both alcoholic and non -alcoholic aftershaves.  
It does not cover aftershave for which therapeutic claims are made.  
2 Normative references  
The following documents are referred to in the text in such a way that some or all of  their content constitutes 
requirements of this document.  For dated references, only the edition  cited applies. For undated references, the 
latest edition of the referenced document (including any amendments) applies.  
RS EAS 846, Glossary of terms relating to the cosmetic industry  
RS EAS 346 , Labelling of cosmetics  — General requirements  
RS EAS 377 (all parts), Cosmetics and cosmetic products  
RS 166,  Denatured alcohol — Specification  
RS EAS 144, Neutral spirit — Specification  
RS EAS 847 -13, Cosmetics – Analytical methods – Part 13: Determination of rancidity  
RS EAS 847 -18, Cosmetics – Analytical methods – Part 18: Determination of thermal stability  
ISO 21149 , Cosmetics – Microbiology – Enumeration and detection of aerobic mesophilic bacteria  
RS ISO 3960 , Animal and vegetable fats and oils – Determination of peroxide value – Iodometric (visual) 
endpoint determination  
RS EAS 847 -16, Oils for cosmetic industry – Method of test – Part 16: Determination of Heavy metal content  
RS ISO 24153, Random sampling and randomization procedures  
ISO 22715, Cosmetics -- Packaging and labelling  
  
 3 Terms and definitions  
For the purposes of this standard, the terms and definitions given in RS EAS 846 and follow ing apply . 
4.1 
Aftershave  
is a product applied to skin after shaving . It contains an antiseptic  agent such as denatured alcohol , stearate 
citrate  or witch hazel  to prevent infection of cuts, as well as to act as an astringent  to redu ce skin irritation.  
4 Types  
There shall be two types of aftershave s, namely:  
i) Type 1 – alcoholic, containing 5 to 70 per cent of alcohol content, and  
ii) Type 2 – non-alcoholic . 
5 Requirements  
5.1 General requirements  
5.1.1  The aftershave shall be transparent/transluce nt/opaque solution or emulsified. It shall be free from 
sediments and any other visible foreign matter. It may contain emollients, astringents colouring agents and may 
be perfumed. It shall have antiseptic properties.  
5.1.2  The finished product shall not h ave any harmful effect on the skin when used as intended by the 
manufacturer.  
5.1.3 The aftershave shall not have any objectionable odour.  
5.2 Ingredients  
5.2.1  All ingredients used including dyes, pigment and colours shall conform to RS EAS 377(all Parts) 
Cosmetics and cosmetic products.  
5.2.2 Alcohol used in the type 1 aftershave  shall conform to RS 166  or RS EAS 144.  For denatured alcohol, 
suitable denaturants which are considered toxicologically safe for use in alcoholic cosmetic preparations  are 
listed in annex B.  
5.3 Specific requirements  
5.3.1 The product shall comply with the specific quality requirements given in Table 1 when tested in accordance 
with the methods indicated therein.  
Table 1 – Specific r equirements for aftershave  
S/N Characteristics  Requirements  Method of test  
Alcoholic  Non - alcoholic  
(i) Alcohol content, % v/v  5 – 70 - RS EAS 104  
(ii) Rancidity  - To pass test  RS EAS 847 -13 DRS  379: 2018 
3                ©RSB 2018- All rights  reserved  
 (iii) Thermal stability  To pass test  To pass test  RS EAS 847 -18 
(iv) pH 5 – 7 5 – 7 Annex A 
(v) Peroxide value,  mEq/Kg , 
max - 10 RS ISO 3960  
(vi) Total viable count ,  
micro -organisms per g, max.  100 100 ISO 21149  
 
5.3.2 The product shall comply with the limits for heavy metal contaminants in accordance with table 2.  
Table 2 – Limits for heavy metals contamina nts 
S/N Characteristics  Requirements  Method of test  
(i) Lead as Pb, mg/Kg, max  20 RS EAS 847 -16 
(ii) Arsenic as As 2O3, mg/Kg, max  2 
(iii) Mercury as Hg, mg/Kg, max  2 
NOTE  The total amount of heavy metals as lead, arsenic and mercury, in combination, in the finished 
product should not exceed 20 mg/Kg.  
 
6 Packaging and labelling  
6.1 Packaging  
In addition to the requirements given in ISO 22715, t he product shall be packaged  in suitable well -sealed 
containers that shall protect the contents and shall not cause an y contamination or react with the product.  
6.2 Labelling  
6.2.1 The labelling shall comply with the requirements of RS EAS 346.  
6.2.2 The containers  shall be legibly label led with the following information:  
a)  name of the product;  
b)   name and full address of the manufacturer and its trade mark, if any;  
c)   net volume of the product;  
d)   list of ingredients;  
e)   batch number;  
f)   manufacture and expiry dates  
g)  name and content of denaturant, if added; and  
h)   a caution sign given below: (for type 1 only)   
   “HARMFUL IF TAKEN INTERNALLY”  
     or the word  
“ALCOHOL FREE” (for type 2 products only)  
7 Sampling  
Random samples shall be drawn in accordance with RS ISO 24153  
 
  DRS  379: 2018 
5                ©RSB 2018- All rights  reserved  
 Annex  A 
(normative)  
 
Determination of pH 
D.1 Apparatus  
D.1.1 pH meter , equipped with glass electrode  
D.1.2 Beaker , of 100 mL capacity  
D.2 Reagents  
D.2.1 pH 7.0 buffer solution  
D.2.2 pH 4.0 and pH 9.0 buffer solutions  
D.2.3 Deionised water pH meter, equipped with glass electrode  
D.3 Procedure  
D.3.1  Dip the pH meter  into about 50 mL of pH 7.0 buffer solution. Ensure that the reading is 7.0 . 
D.3.2  Rinse the meter with deionised water, and dip it into about 50 mL of pH 4.0 buffer solution. Ensure that 
the readin g is 4.0. Repeat using pH 9.0 buffer solution.  
D.3.3  Determine the pH of the sample solution using the pH meter.   
 Annex  B 
(Informative)  
 
List of suitable denaturants which are considered toxicologically safe for 
use in alcoholic cosmetic preparations  
a) brucine o r brucine sulphate;  
b) diethyl phthalate, denatonium;  
c) benzoate, denatonium saccharide;  
d) sucrose octa -acetate; and  
e) thymol.DRS  379: 2018  
ICS 71.100.70  
 
 
©RSB 2018 - All right s reserved